National Item Identification Number
01-243-4770
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)
27192
DRS POWER & CONTROL TECHNOLOGIES INC
INC.
4265 N 30TH ST
MILWAUKEE
WI
53216
414-875-4289
Reference Numbers (Part Numbers)
16-3652-4
Required Categories
MATERIAL
OVERALL DIAMETER
THICKNESS
REFERENCE NUMBER DIFFERENTIATING CHARACTE
Required Description
STEEL
12.5 MILLIMETERS NOMINAL
1.6 MILLIMETERS NOMINAL
MATERIAL WILL BE IN AC
