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National Stock Number:
5305-00-637-7978
Federal Supply Class:
5305
National Item Identification Number:
006377978
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:
| SP4658 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | | FASTENER LENGTH | 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM | | HEAD HEIGHT | 0.249 INCHES NOMINAL | | HEAD STYLE | SQUARE EXTENDED WASHER | | NOMINAL THREAD DIAMETER | 0.156 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-639,COMP 2 FED SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | COPPER ALLOY 482 | | WIDTH BETWEEN FLATS | 0.151 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.406 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 36 | | THREAD SERIES DESIGNATOR | UNS |
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