National Item Identification Number
00-891-6011
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)
00088
ROYAL OAK GAGE INC
321 PARK DRIVE
TROY
MI
48083
248-585-5800
1J4P3
DYNAMIC GUNVER TECHNOLOGIES LLC
DBA SMITHS AEROSPACE COMPONENTS -
967 PARKER STREET
MANCHESTER
CT
06040
860-647-5584
31633
77445
Reference Numbers (Part Numbers)
563221
563221
563221
563221
563221
Required Categories
MATERIAL
STYLE DESIGNATOR
HOLE DIAMETER
OUTSIDE DIAMETER
RECESS DEPTH
MATER
Required Description
STEEL COMP 321 OVERALL
28 RECESSED BOTH SIDES
0.313 INCHES MINIMUM AND
0.319