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National Stock Number:
5305-00-042-0992
Federal Supply Class:
5305
National Item Identification Number:
000420992
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:
| 228A1-0069 | 02032 | HOLLINGSWORTH JOHN R CO |
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Techincal Specification:
| FASTENER LENGTH | 0.625 INCHES NOMINAL | | HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM | | HEAD HEIGHT | 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | HEAD STYLE | ROUND | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PRIMARY WASHER OUTSIDE DIAMETER | 0.460 INCHES MINIMUM AND 0.475 INCHES MAXIMUM | | PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH | | PRIMARY WASHER MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM | | WASHER QUANTITY | 1 | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.625 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 |
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