National Item Identification Number
01-058-5397
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)
53711
Reference Numbers (Part Numbers)
803-2177142-5XX-18
Required Categories
MATERIAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUS
Required Description
STEEL OVERALL
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER AC