5305-01-140-2480, SCREW,EXTERNALLY RELIEVED BODY

5305-01-140-2479 SCREW,EXTERNALLY RELIEVED BODY

5305-01-140-2481 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-140-2480

Federal Supply Class:
5305

National Item Identification Number:
011402480

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

290-035-5056	12360	ALBANY FASTENERS PAWTUCKET FASTENERS DIV
290-035-5056	95542	NORTHROP GRUMMAN SYSTEMS CORPORATION
3791-00027-104	95542	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.460 INCHES MINIMUM AND 0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM0.510 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	11
FASTENER LENGTH	0.720 INCHES MINIMUM AND 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM0.750 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.090 INCHES MINIMUM AND 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM0.100 INCHES MAXIMUM
HEAD DIAMETER	0.270 INCHES MAXIMUM0.270 INCHES MAXIMUM
HEAD HEIGHT	0.097 INCHES MAXIMUM0.097 INCHES MAXIMUM
HEAD STYLE	PANPAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALLASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALLSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALLPASSIVATE OVERALL
THREAD CLASS	2A2A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.240 INCHES MINIMUM AND 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM
THREAD QUANTITY PER INCH	3232
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)

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