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National Stock Number:
5305-01-185-8391
Federal Supply Class:
5305
National Item Identification Number:
011858391
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:
| 13032583 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13032583 | 26772 | WEGO PRECISION MACHINE, INC. |
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Techincal Specification:
| NOMINAL THREAD DIAMETER | 3.0 MILLIMETERS | | THREAD PITCH IN MILLIMETERS | 0.5 | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.8 MILLIMETERS NOMINAL | | FASTENER LENGTH | 12.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD DIAMETER | 7.00 MILLIMETERS NOMINAL | | HEAD HEIGHT | 1.80 MILLIMETERS NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 2.1 MILLIMETERS NOMINAL | | SECOND DIAMETER FROM HEAD | 3.0 MILLIMETERS NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 7.2 MILLIMETERS NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 12.0 MILLIMETERS NOMINAL |
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