National Item Identification Number
01-291-4522
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)
91363
NORRISEAL
NORRIS VALUES DIV
11122 W LITTLE YORK RD
40525
HOUSTON
TX
77240
713-466-3552
1NB39
DOVER RESOURCES INC
DIV NORRISEAL
11122 W LITTLE YORK
HOUSTON
TX
77041
713-849-1274
91363
NORRISEAL
NORRIS VALUES DIV
11122 W LITTLE YORK RD
40525
HOUSTON
TX
77240
713-466-3552
Reference Numbers (Part Numbers)
911-065 REFERENCE 11 6IN,8IN
970-029
970-029
Required Categories
MATERIAL
Required Description
PLASTIC POLYTETRAFLUOROETHYLENE OVERALL