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		                        | National Stock Number:
 4730-01-570-3699
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 015703699
 
 Description:
 BUSHING,BOSS
 
 Detail:
 A STRAIGHT FITTING WITH INTERNAL AND EXTERNAL STRAIGHT THREADS OTHER THAN PIPE OR HOSE WITH WRENCHING FACILITY. DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER OR THE LIKE TO FORM A SEAT AT THE BOSS. EXCLUDES REDUCER, BOSS AND BUSHING, MACHINE THREAD.
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 Manufacturer Information:
 
 | V-37-4168-60 | 4U884 | RAYTHEON COMPANY | 
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 Techincal Specification:
 
 | EXTERNAL THREAD DIRECTION | RIGHT-HAND |  | EXTERNAL THREAD SIZE | 7/16-20 |  | EXTERNAL SCREW THREAD SERIES DESIGNATOR | UNF |  | INTERNAL SCREW THREAD SERIES DESIGNATOR | UNF |  | INTERNAL THREAD DIRECTION | RIGHT-HAND |  | INTERNAL THREAD SIZE | 1/4-28 |  | MATERIAL | STEEL CORROSION RESISTING |  | III PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY)BOSS-LOCATION |  | PROPRIETARY CHARACTERISTICS | PACS |  | SPECIAL FEATURES | 0.530 INCHES OVERALL LENGTH; 0.5625 INCHES OVERALL DIAMETER;HAVING UNDERCUT OF 0.05 INCHES BY 0.03 INCHES DEEP AT FLANGED AREA;HAVING 2 HOLES 0.07 INCHES DIAMETER BY 0.17 INCHES DEEP EQUISPACED ON A 0.41 PCD |  | STYLE DESIGNATOR | FACE BUSHING |  | SURFACE TREATMENT | PASSIVATE | 
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