4730-00-802-9318, REDUCER,BOSS

National Stock Number:
4730-00-802-9318

Federal Supply Class:
4730

National Item Identification Number:
008029318

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).

Manufacturer Information:

MIL-F-5509	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS24397-3	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

	EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
THREAD SERIES DESIGNATOR	UNJF 1ST END
	UNJF 2ND END
NOMINAL THREAD SIZE	0.438 INCHES 1ST END
	0.750 INCHES 2ND END
THREAD CLASS	3B 1ST END
	3A 2ND END
NOMINAL OVERALL LENGTH	0.781 INCHES
REDUCER TYPE	CONCENTRIC
SPECIFICATION/STANDARD DATA	81349-MIL-F-5509 GOVERNMENT SPECIFICATION
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-F-5509
MANUFACTURERS CODE	96906
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS24397-3
MATERIAL	STEEL OVERALL
CONNECTION TYPE	THREADED INTERNAL BOSS 1ST END
	THREADED EXTERNAL BOSS 2ND END
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE	GASKET SEAL (BOSS) 1ST END

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