Database of Screw Shoulder Under NSN (5305013908471) 5305-01-390-8471 Parts

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-390-8471 (013908471)
NCB Code	USA (01)
Manufacturer	Military Specifications, Military Standards Corp

Part Number	Manufacturer	Item Name	RFQ
MIL-S-21472	military specifications	screw shoulder	RFQ
MS51575-3	military standards corp	screw shoulder	RFQ

MRC	Criteria	Characteristic
AASK	HEAD STYLE	FLAT CHAMFER
AATX	SHOULDER LENGTH	0.250 INCHES MINIMUM FIRST SHOULDER AND 0.253 INCHES MAXIMUM FIRST SHOULDER
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJF	THREAD DIRECTION	RIGHT-HAND
AATN	SHOULDER DIAMETER	0.1235 INCHES MINIMUM FIRST SHOULDER AND 0.1245 INCHES MAXIMUM FIRST SHOULDER
FEAT	SPECIAL FEATURES	THREADS UNDERCUT FOR RELIEF.SHOULDER MAY BE UNDERCUT UNDER HEAD AT OPTION OF MANUFACTURER
SFTT	SURFACE TREATMENT	PASSIVATE OVERALL
AAJD	THREAD CLASS	2A
AASB	FASTENER LENGTH	0.408 INCHES NOMINAL
AASU	HEAD HEIGHT	0.0938 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM
AHYM	NOMINAL THREAD DIAMETER	0.112 INCHES
CMLP	THREAD QUANTITY PER INCH	40
MATT	MATERIAL	STEEL COMP 303 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC
AASA	THREAD LENGTH	0.1250 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM
AASL	HEAD DIAMETER	0.2188 INCHES MINIMUM AND 0.2812 INCHES MAXIMUM
ABQZ	INTERNAL DRIVE STYLE	SLOT
CWYB	SHOULDER SHAPE	ROUND FIRST SHOULDER