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National Stock Number:
5305-01-319-8556
Federal Supply Class:
5305
National Item Identification Number:
013198556
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:
| 4246-M07-F09 | 04729 | UNICORP. | | 6198-SS-1032-7 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | 6198-SS-1032-7 | 1YGB8 | CAREY MANUFACTURING CO, INC | | 755-1.312-SS-12 | 51506 | ACCURATE SCREW MACHINE CORP | | 693-SS-20 | 55566 | MATTHEW WARREN, INC |
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Techincal Specification:
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.917 INCHES MINIMUM AND 0.957 INCHES MAXIMUM | | HEAD DIAMETER | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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