National Item Identification Number
00-809-0626
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)
D9182
62160
TAG ENGINEERING INC
6707 WHITE STONE RD
BALTIMORE
MD
21207
410-265-8686
65817
LORDON ENGINEERING
1244 W 132ND ST STE C
GARDENA
CA
90247
310-323-1850
82577
Reference Numbers (Part Numbers)
S8157N249-032
427135
427135
427135
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HARDNESS RATI
Required Description
STEEL COMP 302 OVERALL
MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PA
