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National Stock Number:
5305-01-564-4657
Federal Supply Class:
5305
National Item Identification Number:
015644657
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 12759-00796 | 0Y3H3 | FASTENAL COMPANY | | 94053 | 0Y3H3 | FASTENAL COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.970 INCHES MINIMUM AND | | 1.000 INCHES MAXIMUM | | FASTENER LENGTH | 1.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | HEAD STYLE | BUTTON | | HEAD DIAMETER | 0.419 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND | | 0.132 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.158 INCHES NOMINAL | | SPECIAL FEATURES | MATERIAL AND MECHANICAL PROPERTIES ASTM F 835 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | 1/4-20X1 INCH ZINC PLATED BUTTON HEAD SOCKET CAP SCREW |
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