National Stock Number (NSN) 5305-01-046-2081 (5305010462081) Parts List

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	01-046-2081 (010462081)
NCB Code	USA (01)
Manufacturer	West Coast Aerospace Inc, Lisi Aerospace Canada Corp, Alcoa Global Fasteners Inc, Reid Products Inc, Heartland Precision Fasteners In, Hi Shear Corporation, Huck International Inc, Valley Todeco Inc, Boeing Company The, Twist Tite Mfg Inc, Sps Technologies Inc, Houston Precision Fastener L L C, Fastener Innovation Technology Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
WC4010-6-8	west coast aerospace inc	screw shoulder	60516	RFQ
HT4010-6-8	lisi aerospace canada corp	screw shoulder	l4528	RFQ
HT4010-6-8	alcoa global fasteners inc	screw shoulder	92215	RFQ
11911-6-8	reid products inc	screw shoulder	59563	RFQ
ST3M495-6-8	heartland precision fasteners in	screw shoulder	0zc92	RFQ
HT4010-6-8	hi shear corporation	screw shoulder	73197	RFQ
HT4010-6-8	huck international inc	screw shoulder	97928	RFQ
ST3M495-6-8	valley todeco inc	screw shoulder	06710	RFQ
ST3M495-6-8	boeing company the	screw shoulder	76301	RFQ
ST3M495-6-8	twist tite mfg inc	screw shoulder	007r1	RFQ
HT4010-6-8	sps technologies inc	screw shoulder	80539	RFQ
ST3M495-6-8	houston precision fastener l l c	screw shoulder	1vsl7	RFQ
ST3M495-6-8	fastener innovation technology inc	screw shoulder	58998	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	3A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.491 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
AASB	FASTENER LENGTH	1.001 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
AATN	SHOULDER DIAMETER	0.3896 INCHES MINIMUM FIRST SHOULDER AND 0.3901 INCHES MAXIMUM FIRST SHOULDER
AATX	SHOULDER LENGTH	0.416 INCHES MINIMUM FIRST SHOULDER AND 0.436 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	HIGH-TORQUE
AHYM	NOMINAL THREAD DIAMETER	0.375 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
FEAT	SPECIAL FEATURES	SOCKET DRIVE RECESS IN THREAD END 0.158 IN. MIN AND 0.162 IN. MAX WIDTH ACROSS FLATS
MATT	MATERIAL	STEEL COMP XM-13 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 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