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National Stock Number:
5305-01-576-5750
Federal Supply Class:
5305
National Item Identification Number:
015765750
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:
| 1881564C1 | 338X5 | ND DEFENSE LLC |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 1.2 MILLIMETERS MINIMUM | | EXTENDED WASHER DIAMETER | 17.0 MILLIMETERS MAXIMUM | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 74.4 MILLIMETERS MINIMUM AND 75.6 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 7.9 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | CLASS 10.9 CEMS A-31 PART 1 UNDERHEAD FLANGE (SCREW MACHINE) | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | SCREW MATERIAL | STEEL PROPERTY CLASS 10.9 | | SCREW SURFACE TREATMENT | PHOSPHATE | | WIDTH BETWEEN FLATS | 9.6 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 22.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.2 |
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