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National Stock Number:
4730-01-518-9835
Federal Supply Class:
4730
National Item Identification Number:
015189835
Description:
ELBOW,BOSS
Detail:
A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.141 RADIANS) FROM THE STRAIGHT FLOW. THE BOSS CONNECTIONS HAVE EXTERNAL AND/OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE OR HEEL INLET(S). IT IS DESIGNED TO JOIN TWO BOSSES OR BOSS FITTINGS ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. EXCLUDES ELBOW, TUBE.
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Manufacturer Information:
| 6392511-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | CONNECTION STYLE | GASKET SEAL (TUBE) 1ST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CRITICALITY CODE JUSTIFICATION | FEAT | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 2.025 INCHES NOMINAL 2ND END | | PART NAME ASSIGNED BY CONTROLLING AGENCY | FITTING, 90 DEGREE FLOW CONTROL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 316L OVERALL | | NOMINAL THREAD SIZE | 1.0625 INCHES 2ND END | | NOMINAL THREAD SIZE | 1.250 INCHES 1ST END | | REDUCED PASSAGE NOMINAL INSIDE DIAMETER | 0.500 INCHES 2ND END | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL; 1 O'RING FACE SEAL, 1 GASKET | | THREAD CLASS | 2A 1ST END | | THREAD CLASS | 2A 2ND END | | THREAD SERIES DESIGNATOR | UNF 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END |
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