National Stock Number (NSN) 5305-00-830-2999 (5305008302999) Parts List

Item Name	Screw Shoulder
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5305 Screws
National Item Identification Number (NIIN)	00-830-2999 (008302999)
NCB Code	USA (00)
Manufacturer	Goodrich Corporation, Fastener Specialty Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
B3110-4	goodrich corporation	screw shoulder	25472	RFQ
S100J06-4	fastener specialty inc	screw shoulder	28972	RFQ

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AASA	THREAD LENGTH	0.136 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
AASL	HEAD DIAMETER	0.223 INCHES NOMINAL
AATX	SHOULDER LENGTH	0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM FIRST SHOULDER
CMLP	THREAD QUANTITY PER INCH	32
CQFM	HARDNESS RATING	33.0 ROCKWELL C NOMINAL OVERALL
CXCY	PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
AAJF	THREAD DIRECTION	RIGHT-HAND
AASB	FASTENER LENGTH	0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM
AASK	HEAD STYLE	FLAT COUNTERSUNK
AATN	SHOULDER DIAMETER	0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM FIRST SHOULDER
ABQZ	INTERNAL DRIVE STYLE	SLOT
AHYM	NOMINAL THREAD DIAMETER	0.138 INCHES
CRSQ	COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
CWYB	SHOULDER SHAPE	ROUND FIRST SHOULDER
FEAT	SPECIAL FEATURES	TOP OF HEAD PAINTED YELLOW
MATT	MATERIAL	STEEL COMP 4037 OVERALL
SFTT	SURFACE TREATMENT	CADMIUM OVERALL
SFTT	SURFACE TREATMENT	PAINT HEAD
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC