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National Stock Number:
5305-00-522-4169
Federal Supply Class:
5305
National Item Identification Number:
005224169
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| 5224169 | 18877 | WATERTOWN ARSENAL SMIWT-RE |
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Techincal Specification:
| FASTENER LENGTH | 0.562 INCHES NOMINAL | | HEAD DIAMETER | 0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-630 1022 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 1022 FED SPEC 3RD MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 1022 OR STEEL | | SCREW SURFACE TREATMENT | CADMIUM | | SPECIAL FEATURES | UNDERCUT UNDER HEAD 0.281 IN. DIA,0.094 IN. LG; ROUNDED TO 0.047 IN RADIUS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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