National Item Identification Number
01-398-2975
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)
K1678
FAIRCHILD FASTENERS UK LTD
UNIT 6 BARDON 22 INDUSTRIAL ESTATE
BARDON HILL COALVILLE
LE67 1TE
UNITED KINGDOM
01530 518900
71286
ALCOA GLOBAL FASTENERS INC
DBA CAMLOC PRODUCTS SOUTH BAY
3014 W LOMITA AVE
TORRANCE
CA
90505
805-991-1270
Reference Numbers (Part Numbers)
LM1199-3
LM1199/3
Required Categories
Required Description