National Item Identification Number
National Stock Number
Federal Supply Class
A washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim whch extends from the outer circumference to the washer hole but which is never as large as the washer hole diameter. Excludes WASHER (1), LOCK.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL