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National Stock Number:
5305-01-473-6573
Federal Supply Class:
5305
National Item Identification Number:
014736573
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:
| AESZA08B025WB6A81 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | AESZAM08B025WB6A81 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | B1867BD080250 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 25.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 5.2 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | SCREW MATERIAL | STEEL PROPERTY CLASS 9.8 | | SCREW SURFACE TREATMENT | ZINC | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TYPE II ASSN STD SINGLE TREATMENT RESPONSE | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 22.5 MILLIMETERS MINIMUM AND 27.5 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 1.25 | | THREAD SERIES DESIGNATOR | M | | WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM |
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