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National Stock Number:
5310-01-612-9919
Federal Supply Class:
5310
National Item Identification Number:
016129919
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:
| 62N150WFLLM/089 | 9R350 | MILITARY & COMMERCIAL FASTENERS CORP | | MCF1483 | 9R350 | MILITARY & COMMERCIAL FASTENERS CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.646 INCHES MINIMUM AND 0.696 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A829/A829M;UNS G41300,G41400,G86400 OR G87400 IAW ASTM A322;STEEL,ALLOY 4130,4140,8640 OR 8740 IAW ASTM A108;STEEL,ALLOY GR. UNS G41300 IAW AMS6350;STEEL,ALLOY GR. UNS G41300 IAW AMS5351 OR STEEL,ALLOY GR. UNS G41300 IAW AMS 6345 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | FLAT WASHER,HARDENED .656IDX1.500ODX0.89THICK | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.49 INCHES MINIMUM AND 1.54 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAGNI COAT 565 IAW DRAWING MCF1496 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | THICKNESS | 0.082 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
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