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		                        | National Stock Number:
 5310-01-614-6893
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 016146893
 
 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:
 
 | 5D88092-008 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | 6D62010 ITEM 17 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 
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 Techincal Specification:
 
 | CENTER HOLE SHAPE STYLE | ROUND |  | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |  | HOLE DIAMETER | 0.562 INCHES NOMINAL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6472 ASSN STD SINGLE MATERIAL RESPONSE  OR ASTM A355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER FLAT, HARDENED |  | PERIPHERAL SHAPE STYLE | ROUND |  | MATERIAL | STEEL UNS K24065 OVERALL |  | OVERALL DIAMETER | 0.880 INCHES NOMINAL |  | SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES |  | THICKNESS | 0.090 INCHES NOMINAL | 
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