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National Stock Number:
5305-00-095-3723
Federal Supply Class:
5305
National Item Identification Number:
000953723
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:
| 00533 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | | SC5257 | 01843 | AMBAC INTERNATIONAL CORPORATION | | SC5257 | 04998 | ADAMS AIRCRAFT INTERNATIONAL INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.500 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.042 INCHES NOMINAL | | FASTENER LENGTH | 0.442 INCHES MINIMUM AND 0.474 INCHES MAXIMUM | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM | | HEAD HEIGHT | 0.151 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | HOLE QUANTITY | 1 | | NOMINAL THREAD DIAMETER | 0.216 INCHES | | SCREW MATERIAL | STEEL CORROSION RESISTING | | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.386 INCHES MINIMUM AND 0.426 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 24 |
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