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National Stock Number:
5305-01-288-1284
Federal Supply Class:
5305
National Item Identification Number:
012881284
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:
| 10025399 | 61C19 | MIL-COTS CORPORATION | | 12759-00173 | 0Y3H3 | FASTENAL COMPANY | | 95004 | 0Y3H3 | FASTENAL COMPANY | | 1840HX1 | 45152 | OSHKOSH CORP | | 25967AX | 45152 | OSHKOSH CORP | | 25967AX | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.880 INCHES NOMINAL | | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429, GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM A449 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | NPAC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633-85, TYPE II, FE/ZN5 CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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