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National Stock Number:
5305-00-018-1671
Federal Supply Class:
5305
National Item Identification Number:
000181671
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 181671 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | 181671 | 24617 | GENERAL MOTORS CORP | | 181671 | 7X677 | GENERAL MOTORS LLC | | 5305000181671 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5305000181671 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 60X3260 | 95201 | NAPCO INTERNATIONAL LLC | | FFS85TYPE2STYLE10PGRADE5 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 1.562 INCHES MINIMUM AND 1.625 INCHES MAXIMUM | | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
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