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National Stock Number:
5305-00-004-1389
Federal Supply Class:
5305
National Item Identification Number:
000041389
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:
| A51M20622-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M20622-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51M20622-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.375 INCHES NOMINAL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | HOLE DIAMETER | 0.063 INCHES NOMINAL | | HOLE QUANTITY | 1 | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 630 | | SCREW SURFACE TREATMENT | PASSIVATE | | TEST DATA DOCUMENT | 81349-MIL-I-686 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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