National Item Identification Number
00-290-1426
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)
76040
MACK TRUCKS INC
PARTS OPN
2100 MACK BLVD
M
ALLENTOWN
PA
18105
610-709-3011
77260
1ML14
D W HERCULES LLC
DBA HERCULES ENGINE COMPONENTS DIV
2770 ERIE ST S
MASSILLON
OH
44646
330-830-2498
24617
19207
Reference Numbers (Part Numbers)
G5210
G5210
11149A
11149A
130182
130182
2156234
5245694
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
WOOL OVERALL
0.423 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
1 ROUND
0.813 INC