5305-01-102-7322, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-102-7322

Federal Supply Class:
5305

National Item Identification Number:
011027322

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:

011967SA-2	50406	ARGON ST, INC.
11454899-5	18876	U S ARMY AVIATION AND MISSILE COMMAND
6153-SS-2528-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6153-SS-2528-7	1YGB8	CAREY MANUFACTURING CO, INC
6153SS2528-7	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
71-808872-1	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH
SS-10163-12	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.739 INCHES MINIMUM AND 0.911 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD DIAMETER	0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM
HEAD HEIGHT	0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 304 OR STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SPECIAL FEATURES	STRAIGHT KNURL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.359 INCHES MINIMUM AND 0.491 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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