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National Stock Number:
5305-01-355-0985
Federal Supply Class:
5305
National Item Identification Number:
013550985
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:
| CA21274-4-4HS | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.682 INCHES MINIMUM AND | | 0.821 INCHES MAXIMUM | | FASTENER LENGTH | 1.112 INCHES NOMINAL | | MATERIAL | STEEL COMP 631 SPRING | | STEEL COMP 630 FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5673 ASSN STD SINGLE MATERIAL RESPONSE SPRING | | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | OVAL COUNTERSUNK | | HEAD DIAMETER | 0.375 INCHES MINIMUM | | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.1409 INCHES MINIMUM AND | | 0.1426 INCHES MAXIMUM | | SPECIAL FEATURES | FURNISHED WITH WIRE FORM SPRING HOLD OUT |
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