5305-01-138-4695, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-138-4695

Federal Supply Class:
5305

National Item Identification Number:
011384695

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:

SM-B-886073

80063

US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.680 INCHES NOMINAL0.680 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	11
FASTENER LENGTH	1.060 INCHES NOMINAL1.060 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.146 INCHES NOMINAL0.146 INCHES NOMINAL
HEAD DIAMETER	0.440 INCHES MINIMUM0.440 INCHES MINIMUM
HEAD HEIGHT	0.250 INCHES NOMINAL0.250 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 1KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOTSLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 202 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 403 OR STEEL COMP 405 OR STEEL COMP 410 OR STEEL COMP 414 OR STEEL COMP 420 OR STEEL COMP 430 OR STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OR STEEL COMP 446 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-13924 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-F-13924 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALLOXIDE OVERALL
THREAD CLASS	2A2A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.380 INCHES NOMINAL0.380 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	3232

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