National Item Identification Number
01-179-7392
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)
56874
LARS INDUSTRIES INC
DBA MCDONALD TECHNOLOGIES INTL INC
1920 DIPLOMAT DR
DALLAS
TX
75234
972-243-6767
8V613
56874
LARS INDUSTRIES INC
DBA MCDONALD TECHNOLOGIES INTL INC
1920 DIPLOMAT DR
DALLAS
TX
75234
972-243-6767
NSN (National Stock Number) 5310-01-179-7392, 5310011797392 NIIN (National Identification Number) 01-179-7392, 011797392
Part Numbers (Reference Numbers)
HS4134P5
HS4134P5
HS4134P5
75708P-5
Required Categories
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVE
Required Description
AMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS 5844 ASSN STD SINGLE MATERIAL