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National Stock Number:
5305-00-928-9570
Federal Supply Class:
5305
National Item Identification Number:
009289570
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:
| 10851-010 | 10138 | ASTRONAUTICS CORPORATION OF AMERICA | | 127631 | 73734 | FEDERAL SCREW PRODUCTS INC. | | V9-10 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | 9172306 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 878902-00 | 32345 | DEFENSE REDUCTION AGENCY | | 5028724-2 | 57946 | US ARMY COMBAT SURVEILLANCE AND TARGET ACQUISITION LABORATORY | | Y9-10 | 00141 | ROLLER BEARING CO OF AMERICA, INC | | Z12-10 | 29440 | W. M. BERG INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES MINIMUM | | FASTENER LENGTH | 0.905 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.187 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.131 INCHES MINIMUM AND | | 0.136 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.593 INCHES NOMINAL |
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