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National Stock Number:
5305-01-396-8037
Federal Supply Class:
5305
National Item Identification Number:
013968037
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:
| 21100-590 | 62559 | SCHROFF INC | | 74B059776 | 76031 | MICROFILM SERVICE CORPORATION DBA MSC | | 74B059776-202 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.237 INCHES NOMINAL | | COLOR | BLACK OVERALL | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.433 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.071 INCHES NOMINAL | | HEAD DIAMETER | 0.197 INCHES NOMINAL | | HEAD HEIGHT | 0.079 INCHES NOMINAL | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 360 OVERALL | | NOMINAL THREAD DIAMETER | 2.5 MILLIMETERS | | POINT CHAMFER ANGLE | 90.0 DEGREES NOMINAL | | POINT LENGTH | 0.039 INCHES NOMINAL | | POINT STYLE | CONE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD LENGTH | 0.157 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 0.45 |
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