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National Stock Number:
4730-00-279-3614
Federal Supply Class:
4730
National Item Identification Number:
002793614
Description:
COUPLING,BOSS
Detail:
A STRAIGHT ONE-PIECE FITTING 12 INCHES (304 MM) LONG OR UNDER HAVING THE SAME SIZE FITTING ON EACH END (STRAIGHT MACHINE THREADS OTHER THAN PIPE OR HOSE SERIES). IT MAY HAVE INTERNAL THREADS ON BOTH ENDS OR INTERNAL THREADS ON ONE END AND EXTERNAL THREADS ON THE OTHER DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN TWO BOSSES OR BOSS FITTINGS. EXCLUDES ITEMS HAVING EXTERNAL THREADED CONNECTIONS ON BOTH ENDS.
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Manufacturer Information:
| 1285126-103 | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY | | 1285126-103 | 52916 | CAPRICE ENGINEERING COMPANY, INC. | | 1285126-103 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END | | CONNECTION STYLE | GASKET SEAL (BOSS) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL OVERALL LENGTH | 1.120 INCHES | | NOMINAL THREAD SIZE | 0.250 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.250 INCHES SECOND END | | STYLE DESIGNATOR | RIGID, SHORT CENTER WRENCHING FACILITY | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
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