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National Stock Number:
5305-00-115-1276
Federal Supply Class:
5305
National Item Identification Number:
001151276
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:
| 579R735H13 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | P84-832-3 | 73197 | HI-SHEAR CORPORATION | | P84-832-3 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | P84-832-3 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | P84-832-3 | R1120 | SATAIR A/S |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.235 INCHES MINIMUM AND | | 0.240 INCHES MAXIMUM | | FASTENER LENGTH | 0.607 INCHES MINIMUM AND | | 0.627 INCHES MAXIMUM | | MATERIAL | STEEL COMP 305 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | PAN NO. 2 | | HEAD DIAMETER | 0.210 INCHES MINIMUM AND | | 0.220 INCHES MAXIMUM | | HEAD HEIGHT | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.091 INCHES MINIMUM AND | | 0.097 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.367 INCHES MINIMUM AND | | 0.492 INCHES MAXIMUM |
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