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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:
| 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 | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FASTENER LENGTH | 12.0 MILLIMETERS NOMINAL | | FIRST DIAMETER FROM HEAD | 2.1 MILLIMETERS NOMINAL | | HEAD DIAMETER | 7.00 MILLIMETERS NOMINAL | | HEAD HEIGHT | 1.80 MILLIMETERS NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 3.0 MILLIMETERS | | SECOND DIAMETER FROM HEAD | 3.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.8 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 0.5 |
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