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National Stock Number:
5310-00-316-8826
Federal Supply Class:
5310
National Item Identification Number:
003168826
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:
| 8105908 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | AN960B1416 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 116 OR | | COPPER ALLOY 122 OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.880 INCHES MINIMUM AND | | 0.900 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.495 INCHES MINIMUM AND | | 1.520 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.080 INCHES MINIMUM AND | | 0.100 INCHES MAXIMUM | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SURFACE TREATMENT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,FLAT | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 88044 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN960B1416 |
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