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National Stock Number:
5310-01-160-4548
Federal Supply Class:
5310
National Item Identification Number:
011604548
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:
| 36151507 | 13446 | PERKINS ENGINES INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.344 INCHES NOMINAL | | LENGTH | 1.250 INCHES NOMINAL | | OUTSIDE RADIUS | 0.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | BS.1449 EN 2B,FSCM 13446 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ELLIPTICAL | | SPECIAL FEATURES | INSIDE DIAMETER OFF-CENTERED | | WIDTH | 0.750 INCHES NOMINAL | | THICKNESS | 0.064 INCHES NOMINAL |
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