National Item Identification Number
00-186-4950
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)
83330
91967
ABBATRON LLC
DIV ABBATRON LLC
632 ARCH ST
726
MEADVILLE
PA
16335
814-724-6440
18778
THALES COMPONENTS
40G COMMERCE WAY
TOTOWA
NJ
07512
973-812-4332
72314
56232
Reference Numbers (Part Numbers)
1250
1250
1250
62000920
62000920
885429
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
CELLULOSE OVERALL
0.136 INCHES NOMINAL
1 ROUND
0.250 INCHES NOMINAL
1 ROUND;