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National Stock Number:
5305-00-291-9989
Federal Supply Class:
5305
National Item Identification Number:
002919989
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:
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.438 INCHES MINIMUM | | FASTENER LENGTH | 0.906 INCHES NOMINAL | | MATERIAL | PLASTIC LOCKING FEATURE | | STEEL COMP 8630 OR | | STEEL COMP 4037 FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-8695 MIL SPEC 2ND MATERIAL RESPONSE FASTENER | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.319 INCHES MINIMUM AND | | 0.332 INCHES MAXIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | LOCKING FEATURE | PATCH OR | | STRIP THREADS | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 26233 | | DESIGN CONTROL REFERENCE | NK509-8R14 |
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