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National Stock Number:
5310-00-264-0699
Federal Supply Class:
5310
National Item Identification Number:
002640699
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:
| 2074181-2310 | 27914 | HONEYWELL INTERNATIONAL INC DBA HONEYWELL | | 82278 | 21921 | RCA CORP DISTRIBUTOR AND SPECIAL PRODUCTS DIV | | 82278 | 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES | | 835 | 58250 | BALLANTYNE OF OMAHA INC. | | FFW92TYPEAGRADE1CLASSE | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 268 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.250 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.625 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.051 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | A TYPE AND | | I GRADE AND | | E CLASS | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFW92TYPEAGRADE1CLASSE |
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