5305-01-354-5763, SCREW,EXTERNALLY RELIEVED BODY

5305-01-354-5764 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-354-5763

Federal Supply Class:
5305

National Item Identification Number:
013545763

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:

8949311-01	94117	BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
8949311-01	98750	SAN ANTONIO AIR LOGISTICS CENTER
SNT50519-C06K102	02310	PATTONAIR USA INC
SNT50519-C06K11	02310	PATTONAIR USA INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.312 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.687 INCHES NOMINAL
FEATURES PROVIDED	O RING
FIRST DIAMETER FROM HEAD	0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
HEAD DIAMETER	0.282 INCHES MINIMUM AND 0.294 INCHES MAXIMUM
HEAD HEIGHT	0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIAL FEATURES	WITH ONE FLUOROSILICONE O-RING PER MIL-R-25988
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.375 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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