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National Stock Number:
4730-01-328-1816
Federal Supply Class:
4730
National Item Identification Number:
013281816
Description:
NIPPLE,BOSS
Detail:
A STRAIGHT, ONE-PIECE FITTING USED TO JOIN TWO BOSSES OR BOSS FITTINGS. BOTH ENDS ARE THE SAME SIZE AND HAVE EXTERNAL MACHINE THREADS (STRAIGNT THREADS OTHER THAN PIPE OR HOSE SERIES). IT IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. THE CENTER SECTION MAY BE SUITABLY SHAPED TO ACCOMMODATE A WRENCH.
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Manufacturer Information:
| 137652143 | A0199 | FINMECCANICA SPA | | 4730PL0802946 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | AS21900 | 0U583 | SAE INTERNATIONAL | | MS21900-16K | 0U583 | SAE INTERNATIONAL | | MS21900-16K | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS21900 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE-AS18280 | 0U583 | SAE INTERNATIONAL | | MS21900-16K | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END | | CONNECTION STYLE | FLARED W/ GASKET SEAL (BOSS) 2ND END | | MATERIAL | STEEL COMP 316 OVERALL | | NOMINAL OVERALL LENGTH | 1.969 INCHES | | NOMINAL THREAD SIZE | 1.312 INCHES ALL ENDS | | SPECIFICATION/STANDARD DATA | 96906-MS21900 GOVERNMENT STANDARD | | STYLE DESIGNATOR | FLARED AND FLARELESS W/ CENTER WRENCHING FACILITY | | THREAD CLASS | 3A ALL ENDS | | THREAD QUANTITY PER INCH | 12 ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ ALL ENDS |
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