National Item Identification Number
00-518-6635
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)
19207
19207
63477
63477
95201
NAPCO INTERNATIONAL LLC
11055 EXCELSIOR BLVD
HOPKINS
MN
55343
952-931-2490
76040
MACK TRUCKS INC
PARTS OPN
2100 MACK BLVD
M
ALLENTOWN
PA
18105
610-709-3011
24617
62265
VOLVO TRUCKS NORTH AMERICA INC
7825 NATIONAL SERVICE RD
GREENSBORO
NC
27402
757-523-0973
Reference Numbers (Part Numbers)
A186635
A282724
FC3719
F3719
V4647X
11A8914
12EHW23
1781789
209M1
34840
Required Categories
MATERIAL
SURFACE TREATMENT
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAM
Required Description
STEEL OVERALL
PHOSPHATE OVERALL
1.124 INCHES MINIMUM AND
1.126 INCHES MAXIMUM