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National Stock Number:
5305-01-330-7074
Federal Supply Class:
5305
National Item Identification Number:
013307074
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:
| 10119564-119 | 94580 | HONEYWELL INTERNATIONAL INC. | | HA-19 | 00328 | DESIGNATRONICS INCORPORATED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | FASTENER LENGTH | 1.110 INCHES MINIMUM AND | | 1.140 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 274 OR | | COPPER ALLOY 353 OR | | COPPER ALLOY 360 OR | | COPPER ALLOY 377 OR | | COPPER ALLOY 462 OR | | COPPER ALLOY 464 OR | | COPPER ALLOY 482 OR | | COPPER ALLOY 485 OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.735 INCHES MINIMUM AND | | 0.765 INCHES MAXIMUM | | HEAD HEIGHT | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.182 INCHES MINIMUM AND | | 0.192 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.500 INCHES NOMINAL |
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