National Item Identification Number
01-218-3957
National Stock Number
Item Name
WASHER,RECESSED
Federal Supply Class
5310
Description
A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.
Commercial and Government Entity Code (Supplier Data)
7W865
LACO MACHINERY CO
145 ADAMS ST
MANCHESTER
CT
06040
860-646-8125
77445
99106
AMERICAN AIRCRAFT PARTS
MANUFACTURING CO
17917 MASONIC BLVD
FRASER
MI
48026
586-294-3300
Reference Numbers (Part Numbers)
500070
500070
500070
Required Categories
Required Description