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National Stock Number:
5305-01-050-3779
Federal Supply Class:
5305
National Item Identification Number:
010503779
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:
| NU106 | 27541 | TRANSAERO, INC. | | NU106 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | NU106 | 55070 | GOODRICH | | NU106 | K4358 | SAFRAN ELECTRICAL & POWER UK LTD | | NU106 | U0J60 | ONTIC ENGINEERING & MANUFACTURING UK LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 0.550 INCHES MINIMUM AND 0.590 INCHES MAXIMUM | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.525 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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