5305-00-936-4044, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-936-4044

Federal Supply Class:
5305

National Item Identification Number:
009364044

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:

0N101844	98230	NATIONAL SECURITY AGENCY
0N124366	98230	NATIONAL SECURITY AGENCY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.580 INCHES MINIMUM AND 1.620 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.840 INCHES MINIMUM AND 1.860 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD DIAMETER	0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SPECIAL FEATURES	HEAD PAINTED COLOR NO. 27038
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	595 TT-E-529 CLASS B FED STD SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ENAMEL HEAD
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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