National Item Identification Number
00-469-4073
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
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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.
Commercial and Government Entity Code (Supplier Data)
11757
PARKER HANNIFIN CORP
CHELSEA PRODUCTS DIV
8225 HACKS CROSS RD
OLIVE BRANCH
MS
38654
216-896-2663
NSN (National Stock Number) 5310-00-469-4073, 5310004694073 NIIN (National Identification Number) 00-469-4073, 004694073
Part Numbers (Reference Numbers)
378004
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
STEEL OVERALL
0.641 INCHES NOMINAL
1 ROUND
1.000 INCHES NOMINAL
1 ROUND
1 R