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National Stock Number:
5305-01-122-8823
Federal Supply Class:
5305
National Item Identification Number:
011228823
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:
| 22580-008 | 74025 | MARATHONNORCO AEROSPACE, INC. | | 22580-8 | 27402 | BIRCH BROS. SOUTHERN, INC. | | ABS20519-3A11 | 02310 | PATTONAIR USA INC | | ABS-20519-3A11 | 70127 | ABSCOA INDUSTRIES INC | | 22580-8 | 74025 | MARATHONNORCO AEROSPACE, INC. |
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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 | 0.376 INCHES MINIMUM AND | | 0.451 INCHES MAXIMUM | | FASTENER LENGTH | 0.672 INCHES MINIMUM AND | | 0.717 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 304 OR | | STEEL COMP 305 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | WATERTIGHT | | HEAD DIAMETER | 0.420 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.135 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.140 INCHES MINIMUM AND | | 0.145 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.266 INCHES MINIMUM AND | | 0.296 INCHES MAXIMUM |
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