National Item Identification Number
00-183-4351
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Referenced on: http://www.tpub.com/content/welding/TM-5-6115-590-34P/TM-5-6115-590-34P0464.htm
Referenced on: http://www.tpub.com/content/welding/TM-5-6115-590-34P/TM-5-6115-590-34P0556.htmDescription
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)
D9182
06848
Reference Numbers (Part Numbers)
AN960-2116L
AN960C2116L
NAS1149F213P
NAS1149F2132P
907260K1
907260K1
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL OVERALL
MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OR
QQ-S-698 FED SPE
