National Item Identification Number
00-143-5631
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)
59501
77820
59501
77820
59501
77820
Reference Numbers (Part Numbers)
A067544
A067544
A067544
A67544
A67544
A67544
10-24812
10-24812
10-24812;
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
COLOR
HOLE D
Required Description
STEEL COMP 6150 OVERALL
AMS 6448 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OXI