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National Stock Number:
5310-99-131-1905
Federal Supply Class:
5310
National Item Identification Number:
991311905
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:
| G105/5609 ITEM 11 | K7705 | KNDS DEFENCE UK LIMITED | | G105/5609/11 | K7705 | KNDS DEFENCE UK LIMITED |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | NATURAL OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.185 INCHES MINIMUM AND 1.190 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DGFVE 2328 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM | | SURFACE FINISH | 250.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF STAN 03-26 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THICKNESS | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
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