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National Stock Number:
5305-01-568-3439
Federal Supply Class:
5305
National Item Identification Number:
015683439
Description:
SCREW,ASSEMBLED WASHER
Detail:
A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).
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Manufacturer Information:
| 90402A144 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| FASTENER LENGTH | 0.250 INCHES NOMINAL | | HARDNESS RATING | 60.0 ROCKWELL B MINIMUM OVERALL | | HEAD HEIGHT | 0.097 INCHES NOMINAL | | HEAD DIAMETER | 0.270 INCHES NOMINAL | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | PRIMARY WASHER MATERIAL THICKNESS | 0.020 INCHES NOMINAL | | PRIMARY WASHER OUTSIDE DIAMETER | 0.285 INCHES NOMINAL | | PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH | | WASHER QUANTITY | 1 | | SURFACE TREATMENT | ZINC FASTENER | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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