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National Stock Number:
5305-01-215-8538
Federal Supply Class:
5305
National Item Identification Number:
012158538
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:
| 387-3421-3 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 387-3421-3 | 0BJV5 | W MACHINE WORKS INC | | 387-3421-3 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | 387-3421-3 | 8KP69 | NORTHROP GRUMMAN SYSTEMS CORP | | 387-3421-3 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| HEAD DIAMETER | 30.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 5.0 MILLIMETERS NOMINAL | | HEAD STYLE | ROUND WITH WRENCH FLATS | | INTERNAL DRIVE STYLE | SLOT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS | | SCREW MATERIAL | STEEL COMP 4340 | | SCREW SURFACE TREATMENT | PHOSPHATE | | WIDTH BETWEEN FLATS | 25.0 MILLIMETERS NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 17.1 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | MJ | | THREAD PITCH IN MILLIMETERS | 1.5 | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 19.5 MILLIMETERS NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
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