National Item Identification Number
12-341-4183
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)
0SE35
BOLL FILTER CORP
9282 GENERAL DR STE 18
515
PLYMOUTH
MI
48170
734-451-4680
D0798
BOLL & KIRCH FILTERBAU GMBH
1420
KERPEN
GERMANY
02273-562-0
0SE35
BOLL FILTER CORP
9282 GENERAL DR STE 18
515
PLYMOUTH
MI
48170
734-451-4680
D0798
BOLL & KIRCH FILTERBAU GMBH
1420
KERPEN
GERMANY
02273-562-0
0SE35
BOLL FILTER CORP
9282 GENERAL DR STE 18
515
PLYMOUTH
MI
48170
734-451-4680
Reference Numbers (Part Numbers)
PL 6/89 POS 17
4-24521
4-24521
8601886
8601886
Required Categories
Required Description