National Item Identification Number
00-438-5129
National Stock Number
Item Name
WASHER,SHOULDERED
Federal Supply Class
5310
Description
A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.
Commercial and Government Entity Code (Supplier Data)
01359
Reference Numbers (Part Numbers)
21611-2
Required Categories
MATERIAL
HARDNESS RATING
STYLE DESIGNATOR
HOLE DIAMETER
SHOULDER DIAMETER
O
Required Description
RUBBER SYNTHETIC OVERALL
60.0 SHORE DUROMETER A MINIMUM AND
80.0 SHORE DUROMET