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