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National Stock Number:
5305-01-518-6666
Federal Supply Class:
5305
National Item Identification Number:
015186666
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:
| 450-SS-26 | 55566 | MATTHEW WARREN, INC | | DE4498-4 | 3AB25 | W.R. DAVIS ENGINEERING LIMITED |
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Techincal Specification:
| EXTRA LONG CHARACTERISTIC DESCRIPTION | ADDITIONAL DESCRIPTIVE DATA ON MANUAL RECORD | | FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 0.370 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD HEIGHT | 0.438 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | HEAD STYLE | KNURLED NO. 4 | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | NOMINAL THREAD DIAMETER | 0.313 INCHES | | SCREW MATERIAL | STEEL CORROSION RESISTING | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC |
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