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National Stock Number:
5305-01-533-6854
Federal Supply Class:
5305
National Item Identification Number:
015336854
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:
| 6A-5591 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| FASTENER LENGTH | 25.000 MILLIMETERS NOMINAL | | GRIP LENGTH | 5.000 MILLIMETERS NOMINAL | | HEAD HEIGHT | 8.000 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 12.000 MILLIMETERS | | WIDTH BETWEEN FLATS | 18.000 MILLIMETERS NOMINAL | | THREAD LENGTH | 20.000 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD PITCH IN MILLIMETERS | 1.750 |
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