5305-01-387-3068, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-387-3068

Federal Supply Class:
5305

National Item Identification Number:
013873068

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:

510083-1	37695	RAYTHEON COMPANY
SNT50037C06D41	02310	PATTONAIR USA INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
FEATURES PROVIDED	O RING
FIRST DIAMETER FROM HEAD	0.094 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
HEAD HEIGHT	0.071 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-83248 TY 1 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE RING
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	RUBBER SYNTHETIC RING
MATERIAL	STEEL CORROSION RESISTING FASTENER
NOMINAL THREAD DIAMETER	0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
THREAD LENGTH	0.125 INCHES NOMINAL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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