National Item Identification Number
00-207-5561
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)
58474
SUPERIOR ELECTRIC
DIV DANAHER POWER SOLUTIONS
383 MIDDLE STREET
SUITE 105
BRISTOL
CT
06010
860-585-4552
58474
SUPERIOR ELECTRIC
DIV DANAHER POWER SOLUTIONS
383 MIDDLE STREET
SUITE 105
BRISTOL
CT
06010
860-585-4552
Reference Numbers (Part Numbers)
820650G34AI
820650G34A1
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
HOLE
Required Description
STEEL OVERALL
CADMIUM OVERALL
QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RES