National Item Identification Number
00-855-8416
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)
76005
D9182
05055
DIVERSIFIED AEROSPACE SERVICES LLC
DBA LLOYD AIRCRAFT COMPANY
5914 WOODMEADOW DRIVE
ARLINGTON
TX
76016
817-498-5813
Reference Numbers (Part Numbers)
LM-204-138
113115
6148558-01
Required Categories
MATERIAL
SURFACE TREATMENT
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAM
Required Description
STEEL OVERALL
CADMIUM OVERALL
0.270 INCHES NOMINAL
1 ROUND
0.500 INCHES NOMI