National Item Identification Number
00-819-5413
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Referenced on: http://www.tpub.com/content/aviationgenmaint/TM-55-1680-320-23P/css/TM-55-1680-320-23P_467.htm
Referenced on: http://www.tpub.com/content/aviationgenmaint/TM-55-1680-320-23P/css/TM-55-1680-320-23P_482.htm
Referenced on: http://recoveryvehicles.tpub.com//TM-1-1680-320-13-P/0834270305.htm
Referenced on: http://recoveryvehicles.tpub.com//TM-1-1680-320-13-P/0834270381.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)
78286
78062
86831
58828
Reference Numbers (Part Numbers)
NAS1252-10L
SS5072-S6H
2L4060-10L
2L4060-10L
279-330821-7
649-602-621-0
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HOLE DIAMETER
Required Description
ALUMINUM ALLOY 7075 OVERALL
QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERA