NSN 5305-00-637-4238, (5305006374238) Parts Inventory

Item Name	Screw Cap Socket Head
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-637-4238 (006374238)
NCB Code	USA (00)
Manufacturer	Navair And Navsea Managed

Part Number	Manufacturer	Item Name	Cage Code	RFQ
298233PC222	navair and navsea managed	screw cap socket head	10001	RFQ
709174PC42	navair and navsea managed	screw cap socket head	10001	RFQ
12Z51PC674	navair and navsea managed	screw cap socket head	10001	RFQ
166296PC4	navair and navsea managed	screw cap socket head	10001	RFQ
422941PC6	navair and navsea managed	screw cap socket head	10001	RFQ
441424PC7	navair and navsea managed	screw cap socket head	10001	RFQ
700768PC5	navair and navsea managed	screw cap socket head	10001	RFQ
646062PC5	navair and navsea managed	screw cap socket head	10001	RFQ
177960PC33	navair and navsea managed	screw cap socket head	10001	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.500 INCHES NOMINAL
AASB	FASTENER LENGTH	0.500 INCHES NOMINAL
AASK	HEAD STYLE	FLAT CHAMFER
AASL	HEAD DIAMETER	0.270 INCHES NOMINAL
AASU	HEAD HEIGHT	0.164 INCHES NOMINAL
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.164 INCHES
ASDB	WIDTH ACROSS FLATS	0.127 INCHES NOMINAL
CMLP	THREAD QUANTITY PER INCH	32
CQFM	HARDNESS RATING	36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
CQHQ	MINIMUM YIELD STRENGTH	140000 POUNDS PER SQUARE INCH
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	ZINC OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC
ZZZT	NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 11 STYLE