National Item Identification Number
01-467-6890
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)
40811
SMITH EASTERN CORPORATION
DBA SMITH EASTERN CORPORATION -
10630 RIGGS HILL RD STE S
JESSUP
MD
20794
301-497-7600
Reference Numbers (Part Numbers)
PP-024-7
Required Categories
SPECIAL FEATURES
III END ITEM IDENTIFICATION
Required Description
AKA: LOCK WASHER
USED ON ALL SMITH EASTERN "PAPCE" MODEL AIR POLLUTION CONTROL