National Item Identification Number
01-256-5233
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)
09344
ROCKWELL COLLINS DISPLAY SYSTEMS A
DIVISION OF ROCKWELL COLLINS
2701 ORCHARD PKWY
SAN JOSE
CA
95134
408-532-4397
86928
SEASTROM MANUFACTURING CO.
456 SEASTROM ST
TWIN FALLS
ID
83301
208-737-4300
06481
Reference Numbers (Part Numbers)
PC92056-1
5728-1
8907807-1
Required Categories
MATERIAL
STYLE DESIGNATOR
HOLE DIAMETER
OUTSIDE DIAMETER
RECESS DIAMETER
MA
Required Description
ALUMINUM ALLOY 2024 OVERALL
15 RECESS
0.151 INCHES MINIMUM AND
0.161 INCHES M