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National Stock Number:
5305-01-369-4804
Federal Supply Class:
5305
National Item Identification Number:
013694804
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:
| 6661687-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 68036 | 74445 | H-K CONNECTICUT HOLDING COMPANY | | 72531K-5C-16Z | 0EXY1 | SPS TECHNOLOGES INC |
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Techincal Specification:
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-87115,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE OR | | MIL-C-83488,CLASS 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.431 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM | | HEAD HEIGHT | 0.152 INCHES MINIMUM AND | | 0.156 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND | | 0.1587 INCHES MAXIMUM | | LOCKING FEATURE | PATCH OR | | PELLET OR | | STRIP THREADS | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.889 INCHES NOMINAL | | FASTENER LENGTH | 0.969 INCHES MINIMUM AND | | 1.031 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC AND | | CHROMATE OR | | ALUMINUM AND | | CHROMATE OVERALL |
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