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National Stock Number:
5305-01-143-9894
Federal Supply Class:
5305
National Item Identification Number:
011439894
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:
| 20524/300.9 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 20524/300.9 | K0639 | AERONAUTICAL & GENERAL INSTRUMENTS LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 0.185 INCHES NOMINAL | | HEAD HEIGHT | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD STYLE | ROUND WITH WRENCH FLATS | | NOMINAL THREAD DIAMETER | 0.142 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BS970EN56AM,FSCM K0639 MFR REF SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL CORROSION RESISTING | | WIDTH BETWEEN FLATS | 0.250 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.155 INCHES NOMINAL |
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