National Item Identification Number
12-172-8175
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)
D1379
DRAEGER AEROSPACE GMBH
REVALSTR. 1
LUEBECK
23560
GERMANY
0451-4093-0
D2269
RWE PILLER GMBH
DBA RWE SOLUTIONS
18 51
OSTERODE
GERMANY
05522-311-0
D1839
BUNDESAMT FUER WEHRTECHNIK
UND BESCHAFFUNG
7360
KOBLENZ
GERMANY
0261-400-0
Reference Numbers (Part Numbers)
39GA0043E306-2
39GA0043E306-2
42182-31331-01
Required Categories
Required Description