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National Stock Number:
5305-01-322-6972
Federal Supply Class:
5305
National Item Identification Number:
013226972
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:
| 4073-M07-F15 | 04729 | UNICORP. | | 5165238-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6117-SS-3118-6B | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | 6117-SS-3118-6B | 1YGB8 | CAREY MANUFACTURING CO, INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.365 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303MA OR | | STEEL COMP 303PB OR | | STEEL COMP 303 PLUS X OR | | STEEL COMP 303SE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | COLOR | BLACK OVERALL | | HEAD STYLE | KNURLED NO. 5 | | HEAD DIAMETER | 0.609 INCHES MINIMUM AND | | 0.641 INCHES MAXIMUM | | HEAD HEIGHT | 0.672 INCHES MINIMUM AND | | 0.704 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | POINT STYLE | CONE | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.225 INCHES MINIMUM AND | | 0.235 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.875 INCHES NOMINAL |
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