5305-01-472-7167, SCREW,SHOULDER

National Stock Number:
5305-01-472-7167

Federal Supply Class:
5305

National Item Identification Number:
014727167

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Manufacturer Information:

12387306-8	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
MIL-S-21472	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NASM51975-8	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS51975	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

COLOR	BRONZE OR OLIVE DRAB OVERALL
FASTENER LENGTH	1.063 INCHES NOMINAL
HEAD DIAMETER	0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT	0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	140000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
SHOULDER DIAMETER	0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM ALL SHOULDERS
SHOULDER LENGTH	0.625 INCHES NOMINAL ALL SHOULDERS
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER WIDTH ACROSS FLATS	0.093 INCHES NOMINAL ALL SHOULDERS
SINGLE SHEAR STRENGTH	840000 POUNDS PER SQUARE INCH (PSI)
SPECIAL FEATURES	HEAD PLAIN OR KNURLED IS ACCEPTABLE;SEE SHEET 2 OF NASM51975
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPEII,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.413 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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