5305-01-349-9513, SCREW,EXTERNALLY RELIEVED BODY

5305-01-349-9512 SCREW,EXTERNALLY RELIEVED BODY

5305-01-349-9515 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-349-9513

Federal Supply Class:
5305

National Item Identification Number:
013499513

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:

8949323-03	98750	SAN ANTONIO AIR LOGISTICS CENTER
SNT50519-C06K9	02310	PATTONAIR USA INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM
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 DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC ALL MATERIAL RESPONSES FASTENER
MATERIAL	STEEL COMP 302 FASTENER OR STEEL COMP 304 FASTENER OR STEEL COMP 305 FASTENER
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIAL FEATURES	O-RING PER MIL-R-25988 FLUOROSILICONE; P/N AB131-2
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	OXIDE FASTENER
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.345 INCHES MINIMUM AND 0.420 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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