National Item Identification Number
01-067-3429
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)
06442
NUCLEAR RESEARCH CORPORATION
DBA CANBERRA DOVER INC
58 RICHBOYNTON RD
PO BOX 937
DOVER
NJ
07801
973-361-5600
D9182
Reference Numbers (Part Numbers)
A-11180
A11180
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
COLOR
HARDNESS RATING
HOLE DIA
Required Description
RUBBER SYNTHETIC OVERALL
MIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
B