NSN 5305-01-122-0253, (5305011220253) Parts Inventory

Item Name	Screw Cap Hexagon Head
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-122-0253 (011220253)
NCB Code	USA (01)
Manufacturer	Engine Systems Inc, Ferrco Products Inc, General Motors Corp, Progress Rail Locomotive Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
179818	engine systems inc	screw cap hexagon head	16505	RFQ
179818	ferrco products inc	screw cap hexagon head	73183	RFQ
179818	general motors corp	screw cap hexagon head	72915	RFQ
179818	progress rail locomotive inc	screw cap hexagon head	39vg9	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
AASB	FASTENER LENGTH	1.000 INCHES NOMINAL
AASK	HEAD STYLE	HEXAGON
AASU	HEAD HEIGHT	0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
AATB	WIDTH BETWEEN FLATS	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AHYM	NOMINAL THREAD DIAMETER	0.312 INCHES
CMLP	THREAD QUANTITY PER INCH	18
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	G-4435-M,CAGE 73183 MFR REF SINGLE MATERIAL RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC