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National Stock Number:
4730-00-345-8703
Federal Supply Class:
4730
National Item Identification Number:
003458703
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:
| ST7M195-1 | 12829 | PIONEER MACHINE PRODUCTS INC. | | ST7M195-1 | 1V662 | KMI, INC | | ST7M195-1 | 28444 | BR MACHINE PARTS INC | | ST7M195-1 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303SE FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303SE OVERALL | | NOMINAL OVERALL LENGTH | 1.531 INCHES | | NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS | | SPECIAL FEATURES | DRILL 0.070 IN. HOLE FOR LOCKWIRE,BULKHEAD,UNF THD SERIES,0.625 IN. THD SIZE SECOND END | | STYLE DESIGNATOR | RIGID, SHORT CENTER WRENCHING FACILITY | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-23377 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PRIMER OVERALL | | THREAD CLASS | 3B ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | UNION JOINT LOCATION | SECOND END |
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