5305-01-470-9303, SCREW,SHOULDER

4730-01-470-9305 ADAPTER,STRAIGHT,TUBE TO BOSS

National Stock Number:
5305-01-470-9303

Federal Supply Class:
5305

National Item Identification Number:
014709303

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:

167-8219058 ITEM 6	53711	NAVAL SEA SYSTEMS COMMAND
167-8278260 PC 6	53711	NAVAL SEA SYSTEMS COMMAND
90298A583	39428	MCMASTER-CARR SUPPLY CO
167-8278261 PC 7	53711	NAVAL SEA SYSTEMS COMMAND
167-8450329 ITEM NO 32	53711	NAVAL SEA SYSTEMS COMMAND
MS51576	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS51576-29	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.4063 INCHES MINIMUM AND
	0.4687 INCHES MAXIMUM
FASTENER LENGTH	1.4063 INCHES MINIMUM AND
	1.4687 INCHES MAXIMUM
MATERIAL	STEEL COMP 303 OR
	STEEL COMP 304 OR
	STEEL COMP XM-7 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582/582M ASSN STD SINGLE MATERIAL RESPONSE OR
	ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35,TYPE II, TYPE VI OR VII FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.4688 INCHES MINIMUM AND
	0.5312 INCHES MAXIMUM
HEAD HEIGHT	0.1875 INCHES MINIMUM AND
	0.2499 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.311 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.997 INCHES MINIMUM AND
	1.003 INCHES MAXIMUM FIRST SHOULDER
SPECIFICATION/STANDARD DATA	96906-MIL-S-51576 GOVERNMENT SPECIFICATION
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51576
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51576-29

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