NSN 5325-00-137-3531, (5325001373531) Parts Inventory

Item Name	Stud Assembly Turnlock Fastener
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5325 Fastening Devices
National Item Identification Number (NIIN)	00-137-3531 (001373531)
NCB Code	USA (00)
Manufacturer	Northrop Grumman Systems Corporation, Senior Operations Llc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
GS520N4	northrop grumman systems corporation	stud assembly turnlock fastener	26512	RFQ
V4F4	senior operations llc	stud assembly turnlock fastener	03024	RFQ
SV4F4	senior operations llc	stud assembly turnlock fastener	03024	RFQ

MRC	Criteria	Characteristic
ABMZ	DIAMETER	0.519 INCHES NOMINAL
ADQB	SECURING DEVICE TYPE	RING
AGRD	TURNLOCK STUD HEAD STYLE	FLAT COUNTERSUNK
AGRE	STUD ASSEMBLY STYLE	STUD ASSEMBLY
AGRF	DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	0.825 INCHES NOMINAL
AGRK	EYELET LENGTH	0.350 INCHES NOMINAL
ALBJ	STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR	1/4-20-02 BUTTRESS
MATT	MATERIAL	STEEL OVERALL
SFTT	SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL