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National Stock Number:
4730-00-201-9588
Federal Supply Class:
4730
National Item Identification Number:
002019588
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:
| 21603 | 17610 | ROCKWELL COLLINS INC | | 21603-1 | 17610 | ROCKWELL COLLINS INC | | 21603-2 | 17610 | ROCKWELL COLLINS INC | | 21603-2 | 1WL60 | LOCKHEED MARTIN SERVICES, LLC | | A51K9035-5 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 21603-2 | 98897 | LOCKHEED MARTIN CORP | | A51K9035-5 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RIGID, SHORT CENTER WRENCHING FACILITY | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | THREAD CLASS | 3B ALL ENDS | | NOMINAL OVERALL LENGTH | 1.650 INCHES | | SPECIAL FEATURES | LOCKWIRE HOLE 0.620 IN. FROM SECOND END,0.057 IN. DIA,BULKHEAD,UNEF THD SERIES,0.625 IN. THD SIZE FIRST END |
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