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National Stock Number:
5305-01-293-5855
Federal Supply Class:
5305
National Item Identification Number:
012935855
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:
| 174B6503PC1 | 04241 | BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY | | 174B6503PC1(CHROME) | 04241 | BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FASTENER LENGTH | 0.820 INCHES MINIMUM AND 0.860 INCHES MAXIMUM | | HEAD STYLE | DEE CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-86 TYPE VI FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SPECIAL FEATURES | SELF LOCKING PER MIL-F-18240 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-23422 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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