National Item Identification Number
12-339-3458
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)
C0913
BORNEMANN JOH. HEINR. GMBH & CO.KG
1162
OBERNKIRCHEN
GERMANY
05724-390-0
C0913
BORNEMANN JOH. HEINR. GMBH & CO.KG
1162
OBERNKIRCHEN
GERMANY
05724-390-0
D9182
Reference Numbers (Part Numbers)
W2.1K-34 M4 66MM SS SCR IT37
1103-829-0113
1103-829-0113
Required Categories
Required Description