Recently Updated NSN 5305-01-229-8016 Or (5305012298016) Part List

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-229-8016 (012298016)
NCB Code	USA (01)
Manufacturer	National Aerospace Standards Com, Military Standards Corp

Part Number	Manufacturer	Item Name	RFQ
MS51975-48	national aerospace standards com	screw shoulder	RFQ
MS16638-48	military standards corp	screw shoulder	RFQ
MS51975-48	military standards corp	screw shoulder	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AASB	FASTENER LENGTH	3.215 INCHES MINIMUM AND 3.255 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT CHAMFER
AASL	HEAD DIAMETER	0.853 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
AASU	HEAD HEIGHT	0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
AATN	SHOULDER DIAMETER	0.621 INCHES MINIMUM FIRST SHOULDER AND 0.623 INCHES MAXIMUM FIRST SHOULDER
AATX	SHOULDER LENGTH	2.495 INCHES MINIMUM FIRST SHOULDER AND 2.505 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.500 INCHES
ASDB	WIDTH ACROSS FLATS	0.312 INCHES NOMINAL
CMLP	THREAD QUANTITY PER INCH	13
CQBC	MINIMUM TENSILE STRENGTH	140000 POUNDS PER SQUARE INCH
CQFM	HARDNESS RATING	32.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
CWYB	SHOULDER SHAPE	ROUND FIRST SHOULDER
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-21472 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC