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National Stock Number:
5305-00-425-2288
Federal Supply Class:
5305
National Item Identification Number:
004252288
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:
| 3450714-11 | 93346 | CAES SYSTEMS LLC | | 4016-M07-F09 | 04729 | UNICORP. | | 50483204-009 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | 6103SS0832-7 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | 6103SS0832-7 | 1YGB8 | CAREY MANUFACTURING CO, INC | | 457-5521 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
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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 | 0.245 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | FASTENER LENGTH | 0.562 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 4 | | HEAD DIAMETER | 0.307 INCHES MINIMUM AND | | 0.317 INCHES MAXIMUM | | HEAD HEIGHT | 0.296 INCHES MINIMUM AND | | 0.328 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.115 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.209 INCHES MINIMUM AND | | 0.229 INCHES MAXIMUM |
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