National Item Identification Number
21-878-0740
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Description
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)
95119
PAULIN H AND CO LTD
55 MILNE AVE
SCARBOROUGH
MIL 4N3
CANADA
416-694-3351
95119
PAULIN H AND CO LTD
55 MILNE AVE
SCARBOROUGH
MIL 4N3
CANADA
416-694-3351
94223
SPAENAUR INC
815 VICTORIA ST N
544
KITCHNER
N2G 4B1
CANADA
519-744-3521
Reference Numbers (Part Numbers)
W95
162-395
2333
41680
Required Categories
Required Description