National Item Identification Number
01-437-7274
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)
S8828
MACGREGOR SWE AB
FISKHAMNSGATAN 2
4113
GOTHENBURG
SWEDEN
4631850700
0H7R3
MACGREGOR USA INC
14 RIDGEDALE AVENUE
SUITE 205
CEDAR KNOLLS
NJ
07927
973-285-7874
Reference Numbers (Part Numbers)
21-10130 ITEM 6
24-06278
589-6953255 ITEM 6 REV C
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
STEEL COMP 302 OR
STEEL COMP 304 OVERALL
41.0 MILLIMETERS NOMINAL
1 ROUND
50