Used on uh-1 series helicopters. 3a first fluid end connection thread class 3.501" overall length 12 first fluid end connection thread quantity per inch coupling bulkhead half oil line frangible bulkhead fitting on first fluid end; threaded connection on second, self sealing, end; frangible anodize body surface treated male coupling half unj first fluid end connection thread series
3a all ends thread class 3.329" overall length 4 bolt hole quantity 14 all ends thread quantity per inch anodize body surface treated male coupling half unjf all ends thread series
3a all ends thread class 3.435" overall length 4 bolt hole quantity 12 all ends thread quantity per inch anodize body surface treated male coupling half unj all ends thread series
3a all ends thread class 2.995" overall length 12 all ends thread quantity per inch anodize body surface treated male coupling half un all ends thread series
3a all ends thread class 2.100" overall length 24 all ends thread quantity per inch 0.500-20 in. unjf-3b internal coupling thd passivate body surface treated male coupling half unjf all ends thread series
Used on 55n aircraft, harrier av-8b. 3a all ends thread class 2.039" overall length fluid end connection is for bulkhead passivate body surface treated male coupling half unjf all ends thread series
2.109" overall length with lockwire holes; with extended fluid end connection for bulkhead panel mtg anodize body surface treated male coupling half npt all ends thread series
3a all ends thread class 2.585" overall length 350 to 600 in.-lb bending load to fail frangible section anodize body surface treated male coupling half unjf all ends thread series
3a all ends thread class 2.851" overall length 12 all ends thread quantity per inch anodize body surface treated male coupling half unj all ends thread series
3.090" overall length 5400 seires can be used with any combination of hose or rigid tubing; neoprene seals male coupling half nptf all ends thread series
3a all ends thread class external aluminum surface is orange dyed anodic coating anodize body surface treated male coupling half unjf all ends thread series
