Recently Updated NSN 5305-01-143-1751 Or (5305011431751) Part List

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-143-1751 (011431751)
NCB Code	USA (01)
Manufacturer	Huck International Inc, Sps Technologies Inc, Alcoa Global Fasteners Inc, Union Carbide Corp, Hi Shear Corporation, Boeing Company The, Lisi Aerospace Canada Corp

Part Number	Manufacturer	Item Name	RFQ
HT4041-5-11M6Y	huck international inc	screw shoulder	RFQ
HT4041-5-11M6Y	sps technologies inc	screw shoulder	RFQ
HT4041-5-11M6Y	alcoa global fasteners inc	screw shoulder	RFQ
3M957-5-11-6	union carbide corp	screw shoulder	RFQ
HT4041-5-11M6Y	hi shear corporation	screw shoulder	RFQ
3M957-5-11-6	boeing company the	screw shoulder	RFQ
HT4041-5-11M6Y	union carbide corp	screw shoulder	RFQ
HT4041-5-11M6Y	lisi aerospace canada corp	screw shoulder	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.350 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
AASB	FASTENER LENGTH	1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
AASK	HEAD STYLE	OVAL COUNTERSUNK
AASL	HEAD DIAMETER	0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
AATN	SHOULDER DIAMETER	0.3427 INCHES MINIMUM FIRST SHOULDER AND 0.3432 INCHES MAXIMUM FIRST SHOULDER
AATX	SHOULDER LENGTH	0.608 INCHES MINIMUM FIRST SHOULDER AND 0.636 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	HIGH-TORQUE
AHYM	NOMINAL THREAD DIAMETER	0.312 INCHES
CMLP	THREAD QUANTITY PER INCH	24
CRSQ	COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CWYB	SHOULDER SHAPE	ROUND FIRST SHOULDER
MATT	MATERIAL	STEEL COMP XM-13 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTT	SURFACE TREATMENT	PASSIVATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNJF