5305-01-474-9859, SCREW,SHOULDER

National Stock Number:
5305-01-474-9859

Federal Supply Class:
5305

National Item Identification Number:
014749859

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:

MS51576-10	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SS7423-013	05791	LYN-TRON, INC.

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.164 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.1563 INCHES MINIMUM AND
	0.2187 INCHES MAXIMUM
FASTENER LENGTH	0.5283 INCHES MINIMUM AND
	0.5967 INCHES MAXIMUM
MATERIAL	STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582/582M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.2813 INCHES MINIMUM AND
	0.3437 INCHES MAXIMUM
HEAD HEIGHT	0.1250 INCHES MINIMUM AND
	0.1874 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.0940 INCHES NOMINAL
SHOULDER SHAPE	SQUARE FIRST SHOULDER
SHOULDER WIDTH ACROSS FLATS	0.1860 INCHES MINIMUM AND
	0.1870 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.372 INCHES MINIMUM AND
	0.378 INCHES MAXIMUM FIRST SHOULDER
SPECIFICATION/STANDARD DATA	96906-MS51576 GOVERNMENT STANDARD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51576-10

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