National Item Identification Number
01-117-3450
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)
16673
STAMPINGS OF MINNESOTA INC
21980 HAMBURG AVE
LAKEVILLE
MN
55044
952-469-4911
32971
ASI DESIGN & MANUFACTURING INC.
DBA A S I
1070 HARDEES DR
ABERDEEN
MD
21001
410-272-9250
97942
Reference Numbers (Part Numbers)
434R165H01
434R165H01
434R165H01
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 304 OVERALL
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
0.09