National Item Identification Number
00-209-0177
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)
13499
13499
13499
79087
VICTOR-BALATA BELTING CO
25TH ST AND FREEMANSBURG AVE
71
EASTON
PA
18042
610-258-2010
79807
WROUGHT WASHER MFG INC
2100 S BAY ST
MILWAUKEE
WI
53207
414-744-0771
87679
VICTOR-BALATA BELTING COMPANY
1118 S 25TH ST
EASTON
PA
18042
610-258-2010
80020
Reference Numbers (Part Numbers)
310-0050
310-0050-00
310-0050-000
310-0050-000
310-0050-000
310-0050-000
4
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
STEEL CORROSION RESISTING OVERALL
0.206 INCHES MINIMUM AND
0.226 INCHES MAXIMU