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National Stock Number:
5305-01-355-1419
Federal Supply Class:
5305
National Item Identification Number:
013551419
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:
| 4223-M07-F09 | 04729 | UNICORP. | | 801222-23 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.182 INCHES MINIMUM AND | | 0.192 INCHES MAXIMUM | | FASTENER LENGTH | 0.812 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQS764,COND.A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.171 INCHES MINIMUM AND | | 0.203 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | POINT STYLE | CONE | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.115 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 0.105 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.812 INCHES NOMINAL |
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