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National Stock Number:
4730-00-855-4859
Federal Supply Class:
4730
National Item Identification Number:
008554859
Description:
REDUCER,BOSS
Detail:
A straight fitting having a boss connection of a different size at each end. Both connections have external 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. Excludes BUSHING (as modified).
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Manufacturer Information:
| AS5172K0408L | 0U583 | SAE INTERNATIONAL | | AS5172K0408L | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL | | MS24397K3 | 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 2ND END | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 316 FED SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | STEEL COMP 316 BODY | | NOMINAL OVERALL LENGTH | 0.781 INCHES | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.750 INCHES 2ND END | | REDUCER TYPE | CONCENTRIC | | SURFACE TREATMENT | PASSIVATE OUTSIDE | | THREAD CLASS | 3A 2ND END | | THREAD CLASS | 3B 1ST END | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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