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National Stock Number:
5305-01-272-0675
Federal Supply Class:
5305
National Item Identification Number:
012720675
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:
| 3168813-0011 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 4034 | 04729 | UNICORP. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.240 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | FASTENER LENGTH | 0.812 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.370 INCHES MINIMUM AND | | 0.380 INCHES MAXIMUM | | HEAD HEIGHT | 0.421 INCHES MINIMUM AND | | 0.453 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | POINT STYLE | CONE | | POINT LENGTH | 0.240 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | POINT DIAMETER | 0.115 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | POINT CHAMFER ANGLE | 85.0 DEGREES MINIMUM AND | | 95.0 DEGREES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.125 INCHES MINIMUM AND | | 0.135 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.400 INCHES MINIMUM AND | | 0.420 INCHES MAXIMUM | | SPECIAL FEATURES | STRAIGHT KNURL |
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