Recently Updated NSN 5305-00-151-8660 Or (5305001518660) Part List

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-151-8660 (001518660)
NCB Code	USA (00)
Manufacturer	Bf Goodrich Aerospace, Huck International Inc, Sps Technologies Inc, Aero Mechanical Fastening Systems Inc, Northrop Grumman Systems Corporation, Heartland Precision Fasteners In

Part Number	Manufacturer	Item Name	RFQ
2R1465-13	bf goodrich aerospace	screw shoulder	RFQ
BM19070-4-921	huck international inc	screw shoulder	RFQ
PBF1286-921	sps technologies inc	screw shoulder	RFQ
BM19070-921	huck international inc	screw shoulder	RFQ
2R1863-921	aero mechanical fastening systems inc	screw shoulder	RFQ
GS551P-4921	aero mechanical fastening systems inc	screw shoulder	RFQ
GS551P4-921	northrop grumman systems corporation	screw shoulder	RFQ
HP6551P4-921	heartland precision fasteners in	screw shoulder	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	0.406 INCHES MINIMUM AND 0.436 INCHES MAXIMUM
AASB	FASTENER LENGTH	1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AASL	HEAD DIAMETER	0.357 INCHES NOMINAL
AATN	SHOULDER DIAMETER	0.254 INCHES MINIMUM FIRST SHOULDER AND 0.256 INCHES MAXIMUM FIRST SHOULDER
AATX	SHOULDER LENGTH	0.796 INCHES MINIMUM FIRST SHOULDER AND 0.826 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	SLOT
AHYM	NOMINAL THREAD DIAMETER	0.250 INCHES
CMLP	THREAD QUANTITY PER INCH	28
CRSQ	COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES NOMINAL
CWYB	SHOULDER SHAPE	ROUND FIRST SHOULDER
FEAT	SPECIAL FEATURES	HALF OF TOP SURFACE OF HEAD PAINTED ORANGE
MATT	MATERIAL	STEEL COMP 4037 OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNF