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National Stock Number: 5305-00-285-5266
Federal Supply Class: 5305
National Item Identification Number: 002855266
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:
| 591209 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | SC1162 | 01843 | AMBAC INTERNATIONAL CORPORATION | | SC1162 | 24956 | UNITED TECHNOLOGIES CORP ELECTRO SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.625 INCHES NOMINAL | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM PRIMARY WASHER | | HEAD DIAMETER | 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | HEAD HEIGHT | 0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PRIMARY WASHER STYLE | SPLIT HELICAL RING | | PRIMARY WASHER MATERIAL THICKNESS | 0.040 INCHES MINIMUM | | PRIMARY WASHER OUTSIDE DIAMETER | 0.283 INCHES MINIMUM AND 0.297 INCHES MAXIMUM | | WASHER QUANTITY | 1 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.483 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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