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National Stock Number:
5305-01-234-5226
Federal Supply Class:
5305
National Item Identification Number:
012345226
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:
| 50253-4.00 | 52094 | CALMARK CORPORATION | | 50253-4.00 | 61081 | SCHROFF INC |
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Techincal Specification:
| FASTENER LENGTH | 3.910 INCHES MINIMUM AND 4.000 INCHES MAXIMUM | | HEAD DIAMETER | 0.180 INCHES NOMINAL | | HEAD HEIGHT | 0.120 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.094 INCHES NOMINAL |
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