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National Stock Number:
5305-00-688-1220
Federal Supply Class:
5305
National Item Identification Number:
006881220
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:
| 536372 | 73030 | HAMILTON SUNDSTRAND CORPORATION | | 536372 | 7CNG1 | FDH DEFENSE AFTERMARKET, LLC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM | | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.234 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.080 INCHES MINIMUM AND 0.084 INCHES MAXIMUM | | HEAD DIAMETER | 0.210 INCHES MINIMUM AND 0.225 INCHES MAXIMUM | | HEAD HEIGHT | 0.055 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.116 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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