{"id":4611,"date":"2026-09-09T06:54:38","date_gmt":"2026-09-09T06:54:38","guid":{"rendered":"https:\/\/www.henghuahose.com\/?post_type=product&p=4611"},"modified":"2026-09-09T07:46:21","modified_gmt":"2026-09-09T07:46:21","slug":"sae-o-ring-male-hydraulic-hose-fitting-16011-16012-series","status":"publish","type":"product","link":"https:\/\/www.henghuahose.com\/pt\/product\/sae-o-ring-male-hydraulic-hose-fitting-16011-16012-series\/","title":{"rendered":"SAE O-Ring Male Hydraulic Hose Fitting: 16011\/16012 Series (ISO 11926 \/ SAE J1926)"},"content":{"rendered":"
\"SAE<\/figure>\r\n

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Why This SAE O-Ring Male Hydraulic Hose Fitting Passes the Compliance Gate<\/h2>\r\n\r\n\r\n\r\n

Every SAE O-ring male hydraulic hose fitting<\/strong> in the 16011\/16012 family is made to the straight-thread O-ring boss geometry of ISO 11926 and SAE J1926, so it seats squarely on the boss face of standard port blocks, manifolds, pumps and valves. The seal is a captive O-ring pressed between the face of the boss and the fitting, not the threads, which gives repeatable leak-free joints that survive vibration and thermal cycling. For OEMs, distributors and maintenance teams this means fewer specification disputes, simpler inventory control and a drop-in answer for the most common metric-of-inch port sizes in mobile and industrial hydraulics.<\/p>\r\n\r\n\r\n\r\n

Core Advantages<\/h3>\r\n\r\n\r\n\r\n
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  1. O-ring face seal per SAE J1926\/ISO 11926<\/strong> – the sealing element is a groove-mounted O-ring that seals on the flat boss face, independent of thread loading.<\/li>\r\n
  2. Two hose-tail versions from one head code<\/strong> – order 16011 for braided hose and 16012-XX-XX for spiral hose without changing the thread end.<\/li>\r\n
  3. Wide dash coverage<\/strong> – thread sizes from 7\/16″-20 to 1-5\/16″-12 with O-rings O904 through O916, covering -04 to -16 hose.<\/li>\r\n
  4. Full process traceability<\/strong> – 100% pressure test, thread inspection and batch records on every order.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n

    Technical Specifications<\/h2>\r\n\r\n\r\n\r\n

    What Is a SAE O-Ring Male Hydraulic Hose Fitting?<\/h3>\r\n\r\n\r\n\r\n

    A SAE O-ring male hydraulic hose fitting combines a male straight thread (UNF form) with a recessed O-ring groove at the base of the thread. When tightened into a mating boss, the O-ring compresses against the machined face of the boss and becomes the hydraulic seal, while the straight threads only provide mechanical retention. This design is the SAE J1926 \/ ISO 11926 O-ring boss (ORB) system and must not be confused with JIC 37-degree (SAE J514) or 45-degree flare (SAE J513) cone seals, whose tapered faces are not interchangeable with ORB ports.<\/p>\r\n\r\n\r\n\r\n

    To select the right unit, match the thread end to the port, match the O-ring to the thread dash as shown in the table below, then match the hose tail dash to the hose inner diameter you intend to crimp.<\/p>\r\n\r\n\r\n\r\n

    Dimensional Data<\/h3>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    Symbol<\/th>\r\nDescription<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
    E<\/td>\r\nMale thread outer diameter (thread size), as dimensioned on the drawing<\/td>\r\n<\/tr>\r\n
    A<\/td>\r\nOverall body length from the front face of the male end to the start of the hose tail<\/td>\r\n<\/tr>\r\n
    C<\/td>\r\nLength of the threaded portion including the O-ring groove up to the hex shoulder<\/td>\r\n<\/tr>\r\n
    S1<\/td>\r\nHex size of the body (width across flats) for tightening<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n

    Full Dimension Table (Part Number Matrix)<\/h3>\r\n\r\n\r\n\r\n

    All dimensions are in millimetres. Each part number is built as 16011 - thread dash - hose dash<\/code>; for example 16011-12-10 means a 1-1\/16″-12 thread end (thread dash 12) with a -10 hose tail. Threads are shown as in the original chart and are UNF straight threads (for example 7\/16″X20 = 7\/16″-20 UNF).<\/p>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    PART NO.<\/th>\r\nE THREAD<\/th>\r\nHOSE BORE DN (mm)<\/th>\r\nHOSE DASH<\/th>\r\nO-RING<\/th>\r\nA (mm)<\/th>\r\nC (mm)<\/th>\r\nS1 (mm)<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
    16011-04-04<\/td>\r\n7\/16″X20<\/td>\r\n6<\/td>\r\n04<\/td>\r\nO904<\/td>\r\n21.5<\/td>\r\n9.1<\/td>\r\n14<\/td>\r\n<\/tr>\r\n
    16011-05-04<\/td>\r\n1\/2″X20<\/td>\r\n6<\/td>\r\n04<\/td>\r\nO905<\/td>\r\n21.5<\/td>\r\n9.1<\/td>\r\n17<\/td>\r\n<\/tr>\r\n
    16011-06-05<\/td>\r\n9\/16″X18<\/td>\r\n8<\/td>\r\n05<\/td>\r\nO906<\/td>\r\n22.5<\/td>\r\n9.9<\/td>\r\n17<\/td>\r\n<\/tr>\r\n
    16011-06-06<\/td>\r\n9\/16″X18<\/td>\r\n10<\/td>\r\n06<\/td>\r\nO906<\/td>\r\n22.5<\/td>\r\n9.9<\/td>\r\n17<\/td>\r\n<\/tr>\r\n
    16011-08-06<\/td>\r\n3\/4″X16<\/td>\r\n10<\/td>\r\n06<\/td>\r\nO908<\/td>\r\n24.5<\/td>\r\n11.1<\/td>\r\n22<\/td>\r\n<\/tr>\r\n
    16011-08-08<\/td>\r\n3\/4″X16<\/td>\r\n12<\/td>\r\n08<\/td>\r\nO908<\/td>\r\n25<\/td>\r\n11.1<\/td>\r\n22<\/td>\r\n<\/tr>\r\n
    16011-10-08<\/td>\r\n7\/8″X14<\/td>\r\n12<\/td>\r\n08<\/td>\r\nO910<\/td>\r\n29.5<\/td>\r\n12.7<\/td>\r\n27<\/td>\r\n<\/tr>\r\n
    16011-10-10<\/td>\r\n7\/8″X14<\/td>\r\n16<\/td>\r\n10<\/td>\r\nO910<\/td>\r\n30.5<\/td>\r\n12.7<\/td>\r\n27<\/td>\r\n<\/tr>\r\n
    16011-12-10<\/td>\r\n1.1\/16″X12<\/td>\r\n16<\/td>\r\n10<\/td>\r\nO912<\/td>\r\n34<\/td>\r\n15.1<\/td>\r\n32<\/td>\r\n<\/tr>\r\n
    16011-12-12<\/td>\r\n1.1\/16″X12<\/td>\r\n20<\/td>\r\n12<\/td>\r\nO912<\/td>\r\n34<\/td>\r\n15.1<\/td>\r\n32<\/td>\r\n<\/tr>\r\n
    16011-16-16<\/td>\r\n1.5\/16″X12<\/td>\r\n25<\/td>\r\n16<\/td>\r\nO916<\/td>\r\n36<\/td>\r\n15.1<\/td>\r\n38<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n

    Factory note (preserved):<\/strong> the part numbers in this table are for braided hose. If the assembly uses spiral hose, change the code to 16012-XX-XX with the same thread dash and hose dash.<\/p>\r\n\r\n\r\n\r\n

    Material and Heat Treatment<\/h3>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    Item<\/th>\r\nEspecifica\u00e7\u00f5es<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
    Material<\/td>\r\n20#\/35#\/45# cold-headed carbon steel, or 304\/316L stainless on request<\/td>\r\n<\/tr>\r\n
    Heat treatment<\/td>\r\nCarburized and quenched, core and surface hardness HRC 20-28<\/td>\r\n<\/tr>\r\n
    Surface finish<\/td>\r\nTrivalent zinc (96 h salt spray), zinc-nickel (720 h), or Dacromet (1000 h)<\/td>\r\n<\/tr>\r\n
    Testing<\/td>\r\n100% pressure test and 100% thread inspection before despatch<\/td>\r\n<\/tr>\r\n
    Documentation<\/td>\r\nMaterial test report (MTR) with order; BV\/SGS inspection can be arranged<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n

    Working Pressure and Operating Envelope<\/h3>\r\n\r\n\r\n\r\n

    Working pressure is determined jointly by the SAE J1926 port standard and the hose grade you select; HENGHUA does not publish a standalone fitting rating because the crimped assembly is only as strong as its weakest member. Every assembly leaves the factory after a 100% pressure test, and the torque and crimp-diameter data sheet for your hose construction is supplied with the order. Operating temperature is typically -40\u00b0C to +120\u00b0C, with system de-rating governed by the hose and seal materials in your circuit.<\/p>\r\n\r\n\r\n\r\n

    Selection and Ordering<\/h2>\r\n\r\n\r\n\r\n

    How to Read the Part Number Matrix<\/h3>\r\n\r\n\r\n\r\n

    Read the part number from left to right: 16011<\/code> fixes the ORB head geometry, the first two digits after the dash give the thread dash (04 through 16), and the last two digits give the hose dash (04 through 16). The O-ring code follows the same dash logic – O904 pairs with thread dash 04, O905 with 05, O906 with 06, O908 with 08, O910 with 10, O912 with 12 and O916 with 16 – so you can verify a code is correct before ordering. Because the same head code covers several hose dashes, always state both the port thread and the hose size on your enquiry.<\/p>\r\n\r\n\r\n\r\n

    For the port side of the assembly this matrix is the SAE O-ring male hydraulic hose fitting reference, because every thread dash, its O-ring and its hex size are listed for verification before ordering. A SAE O-ring male hydraulic hose fitting bought by code from this table arrives with the O-ring already matched to the thread, which removes a common cause of field leaks. The SAE ORB hose fitting head is shared with the 16012 spiral version, so the port side of your assembly stays identical when you change hose construction.<\/p>\r\n\r\n\r\n\r\n

    Thread Size and Dash Chart<\/h3>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
    Thread (as drawn)<\/th>\r\nUNF equivalent<\/th>\r\nThread dash<\/th>\r\nO-ring<\/th>\r\nHose dash sizes in this series<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
    7\/16″X20<\/td>\r\n7\/16″-20 UNF<\/td>\r\n04<\/td>\r\nO904<\/td>\r\n04<\/td>\r\n<\/tr>\r\n
    1\/2″X20<\/td>\r\n1\/2″-20 UNF<\/td>\r\n05<\/td>\r\nO905<\/td>\r\n04<\/td>\r\n<\/tr>\r\n
    9\/16″X18<\/td>\r\n9\/16″-18 UNF<\/td>\r\n06<\/td>\r\nO906<\/td>\r\n05, 06<\/td>\r\n<\/tr>\r\n
    3\/4″X16<\/td>\r\n3\/4″-16 UNF<\/td>\r\n08<\/td>\r\nO908<\/td>\r\n06, 08<\/td>\r\n<\/tr>\r\n
    7\/8″X14<\/td>\r\n7\/8″-14 UNF<\/td>\r\n10<\/td>\r\nO910<\/td>\r\n08, 10<\/td>\r\n<\/tr>\r\n
    1.1\/16″X12<\/td>\r\n1-1\/16″-12 UNF<\/td>\r\n12<\/td>\r\nO912<\/td>\r\n10, 12<\/td>\r\n<\/tr>\r\n
    1.5\/16″X12<\/td>\r\n1-5\/16″-12 UNF<\/td>\r\n16<\/td>\r\nO916<\/td>\r\n16<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n\r\n\r\n\r\n

    Cross Reference Service<\/h3>\r\n\r\n\r\n\r\n

    Send us your old part number or a worn sample and our engineers will translate it into the correct 16011 or 16012 code, checking thread form, O-ring dash and hose tail against the drawing before you order. This service is free for OEMs and distributors who order in volume, and it removes the guesswork when you are consolidating legacy inventories onto one crimp system. We never attach another manufacturer’s brand to our parts.<\/p>\r\n\r\n\r\n\r\n

    Packaging and Logistics<\/h3>\r\n\r\n\r\n\r\n

    Standard packing is 10 pieces per box with a batch label on every carton; export cartons are marked with the part number, quantity and “Made in China – HENGHUA”. The material test report travels with each shipment, and mixed part numbers can share one container to keep freight economical. For urgent production stops we support split deliveries by air against a confirmed schedule.<\/p>\r\n\r\n\r\n\r\n

    Assembly and Use Guide<\/h2>\r\n\r\n\r\n\r\n

    Four-Step Crimping Procedure<\/h3>\r\n\r\n\r\n\r\n
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    1. Cut the hose square<\/strong> – use a sharp saw and a hose cutter, then blow out any debris from the bore.<\/li>\r\n
    2. Mark the insertion depth<\/strong> – transfer the tail length from the fitting drawing onto the hose cover as a witness mark.<\/li>\r\n
    3. Lubricate and insert<\/strong> – apply a thin film of assembly lubricant to the tail and push the hose in with a slight twist until it reaches the mark.<\/li>\r\n
    4. Crimp and verify<\/strong> – crimp with the die set matched to the hose construction, then check the crimped outside diameter with a caliper against the data sheet supplied with the order.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n

      Connecting the O-Ring Boss End<\/h3>\r\n\r\n\r\n\r\n

      The seal comes from the O-ring against the flat boss face, so keep the straight threads and the port clean before assembly. Lightly coat the O-ring with clean hydraulic oil, run the fitting in by hand until the O-ring touches the boss, then tighten with a wrench on the S1 hex to the SAE J1926 torque values supplied in the accompanying data sheet. Never wind Teflon tape or thread sealant onto the straight threads of a SAE ORB hose fitting – the tape is not the seal, it can stop the O-ring seating, and shredded debris will contaminate the whole circuit.<\/p>\r\n\r\n\r\n\r\n

      Installation Warnings<\/h3>\r\n\r\n\r\n\r\n