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National Stock Number:
5305-01-157-1359
Federal Supply Class:
5305
National Item Identification Number:
011571359
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:
| 10501756 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION | | DIN963-M8X20-8,8-A2L | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL | | FASTENER LENGTH | 20.00 MILLIMETERS NOMINAL | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 14.5 MILLIMETERS NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MINIMUM TENSILE STRENGTH | 113784 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | SCREW MATERIAL | STEEL PROPERTY CLASS 8.8 | | SCREW SURFACE TREATMENT | ZINC | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 17.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM | | THREAD PITCH IN MILLIMETERS | 1.25 | | THREAD SERIES DESIGNATOR | M |
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