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National Stock Number:
5305-01-696-3657
Federal Supply Class:
5305
National Item Identification Number:
016963657
Description:
SCREW,CAP,SOCKET HEAD
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Manufacturer Information:
| 12561701-31 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.666 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | BLACK CHEMICAL FINISH OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DWG12469117(MAGNI FINISH) MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.480 INCHES NOMINAL | | COUNTERSINK ANGLE | 80.00 DEGREES MINIMUM AND | | 84.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
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