National Item Identification Number
01-422-3000
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)
56349
TRI-TEC COMPANY INC
8206 S 192ND ST
KENT
WA
98032
425-251-8777
56349
TRI-TEC COMPANY INC
8206 S 192ND ST
KENT
WA
98032
425-251-8777
56349
TRI-TEC COMPANY INC
8206 S 192ND ST
KENT
WA
98032
425-251-8777
Reference Numbers (Part Numbers)
810729
901011PL FIND NO. 38
917010PL FIND 38
Required Categories
MATERIAL
Required Description
STEEL COMP 302 OR
STEEL COMP 303 OR
STEEL COMP 304 OR
STEEL COMP 304L OVERALL