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National Stock Number:
5305-01-270-1219
Federal Supply Class:
5305
National Item Identification Number:
012701219
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:
| 4209-M07-F09 | 04729 | UNICORP. | | 6175-SS-0632 | 1YGB8 | CAREY MANUFACTURING CO, INC | | GS553P06C13 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 747-0.812-SS-12NS | 51506 | ACCURATE SCREW MACHINE CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.173 INCHES MINIMUM AND | | 0.188 INCHES MAXIMUM | | FASTENER LENGTH | 0.797 INCHES MINIMUM AND | | 0.827 INCHES MAXIMUM | | MATERIAL | STEEL COMP 203EZ OR | | STEEL COMP 303 OR | | STEEL COMP 303 PLUS X OR | | STEEL COMP 303MA OR | | STEEL COMP 303PB OR | | STEEL COMP 303SE OR | | STEEL COMP 416 OR | | STEEL COMP 416 PLUS X OR | | STEEL COMP 416SE OR | | STEEL COMP 430F OR | | STEEL COMP 420FSE OR | | STEEL COMP 420F OR | | STEEL COMP 430FSE OR | | STEEL COMP 440F OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 2 | | HEAD DIAMETER | 0.307 INCHES MINIMUM AND | | 0.327 INCHES MAXIMUM | | HEAD HEIGHT | 0.161 INCHES MINIMUM AND | | 0.213 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | POINT STYLE | CONE | | POINT LENGTH | 0.125 INCHES NOMINAL | | POINT DIAMETER | 0.079 INCHES MINIMUM AND | | 0.095 INCHES MAXIMUM | | POINT CHAMFER ANGLE | 55.0 DEGREES MINIMUM AND | | 65.0 DEGREES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.090 INCHES MINIMUM AND | | 0.105 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.489 INCHES MINIMUM AND | | 0.509 INCHES MAXIMUM |
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