National Item Identification Number
00-113-6179
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)
78062
Reference Numbers (Part Numbers)
1900B13
Required Categories
MATERIAL
STYLE DESIGNATOR
HOLE DIAMETER
SHOULDER DIAMETER
OUTSIDE DIAMETER;
Required Description
COPPER ALLOY OVERALL
13 SHOULDERED AND RECESS
1.125 INCHES NOMINAL
1.313 INCH