Recently Updated NSN 5305-00-939-0660 Or (5305009390660) Part List

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-939-0660 (009390660)
NCB Code	USA (00)
Manufacturer	Navair And Navsea Managed, Military Standards Corp, Acco Industries Inc, National Aerospace Standards Com

Part Number	Manufacturer	Item Name	RFQ
12Z1160-7	navair and navsea managed	screw shoulder	RFQ
MS51975-29	military standards corp	screw shoulder	RFQ
20087	acco industries inc	screw shoulder	RFQ
MS51975-29	national aerospace standards com	screw shoulder	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
AASB	FASTENER LENGTH	1.600 INCHES MINIMUM AND 1.620 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT CHAMFER
AASL	HEAD DIAMETER	0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AASU	HEAD HEIGHT	0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
AATN	SHOULDER DIAMETER	0.496 INCHES MINIMUM FIRST SHOULDER AND 0.498 INCHES MAXIMUM FIRST SHOULDER
AATX	SHOULDER LENGTH	0.995 INCHES MINIMUM FIRST SHOULDER AND 1.005 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	HEXAGON
AHYM	NOMINAL THREAD DIAMETER	0.375 INCHES
ASDB	WIDTH ACROSS FLATS	0.250 INCHES NOMINAL
CMLP	THREAD QUANTITY PER INCH	16
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 COMP 4037 OVERALL OR STEEL COMP 4137 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 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