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National Stock Number:
5310-00-496-3238
Federal Supply Class:
5310
National Item Identification Number:
004963238
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 11A7117 | 95201 | NAPCO INTERNATIONAL LLC | | 1229E837 | 1DF03 | ABM EQUIPMENT, LLC | | 1229E837 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 1229E837 | 60528 | TRAILMOBILE INC SUB OF THE PULLMAN CO | | 1229E837 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 1229E837 | 79419 | WATSON H S CO | | 7534863 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 2075671 | 24617 | GENERAL MOTORS CORP | | 35UB5014 | 51665 | RIVINIUS INC LITTLEFORD MACHINERY DIV | | 491248 | 53335 | UNIVERSAL LOGISTICS CORP CLARK DIV | | UB1015 | 56697 | STANDARD FORGE AND AXLE CO INC | | 2075671 | 7X677 | GENERAL MOTORS LLC | | 5231-48-21 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY | | 16T1031 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY | | UB5014 | 56697 | STANDARD FORGE AND AXLE CO INC | | UB5014 | 61465 | GARWOOD/FELLER INC GARWOOD WINCH DIV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM | | OVERALL DIAMETER | 3.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND W/FLATS | | WIDTH ACROSS FLATS | 2.750 INCHES NOMINAL | | THICKNESS | 0.065 INCHES NOMINAL |
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