National Item Identification Number
00-141-1583
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)
1ML14
D W HERCULES LLC
DBA HERCULES ENGINE COMPONENTS DIV
2770 ERIE ST S
MASSILLON
OH
44646
330-830-2498
64829
ARVINMERITOR INC
100 WESTWOOD PL STE 200
BRENTWOOD
TN
37027
615-221-7433
Reference Numbers (Part Numbers)
30738
30738
30738
Required Categories
MATERIAL
HARDNESS RATING
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMET
Required Description
COPPER OVERALL
40.0 ROCKWELL SUPERFICIAL 15-T MINIMUM OR
50.0 ROCKWELL SUPERFI