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National Stock Number:
5305-01-277-6225
Federal Supply Class:
5305
National Item Identification Number:
012776225
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:
| 319743 | 1UVT5 | BRP US INC | | 319743 | 32195 | OUTBOARD MARINE CORP JOHNSON MOTORS DIV | | 319743 | 80256 | OUTBOARD MARINE CORP | | 319743 | U1621 | SIMPSON-LAWRENCE LTD JOHNSON AND EVI RUDE OUTBOARD MOTORS |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM | | EXTENDED WASHER DIAMETER | 0.450 INCHES NOMINAL | | FASTENER LENGTH | 0.799 INCHES MINIMUM AND 0.845 INCHES MAXIMUM | | FEATURES PROVIDED | SEALING RING | | HEAD HEIGHT | 0.271 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL | STEEL COMP 302 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 4400 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES MINIMUM AND 0.560 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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