National Item Identification Number
00-191-8304
National Stock Number
Item Name
WASHER,SHOULDERED AND RECESSED
Federal Supply Class
5310
Description
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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)
D9182
11083
11083
11083
Reference Numbers (Part Numbers)
B149965
4N9180
7S8787
9S5168
Required Categories
STYLE DESIGNATOR
SHOULDER DIAMETER
SHOULDER HEIGHT
RECESS DEPTH
MATERIAL THI
Required Description
12 SHOULDERED AND RECESS
1.560 INCHES NOMINAL
0.062 INCHES NOMINAL
0.062 INCH