National Item Identification Number
01-270-1259
National Stock Number
Item Name
WASHER,SHOULDERED AND RECESSED
Federal Supply Class
5310
Referenced on: http://constructionloader.tpub.com//TM-5-3805-258-23P/0829770736.htm
Referenced on: http://constructionloader.tpub.com//TM-5-3805-258-23P/0829770848.htm
Referenced on: http://constructiontractors.tpub.com//TM-5-2410-233-23P/TM-5-2410-233-23P0803.htm
Referenced on: http://constructiontractors.tpub.com//TM-5-2410-233-23P/TM-5-2410-233-23P0920.htm
Referenced on: http://constructiontractors.tpub.com//TM-5-2410-237-24P/css/TM-5-2410-237-24P_512.htm
Referenced on: http://constructiontractors.tpub.com//TM-5-2410-237-24P/css/TM-5-2410-237-24P_601.htm
Referenced on: http://constructiontractors.tpub.com//TM-5-2410-237-24P/css/TM-5-2410-237-24P_641.htmDescription
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)
11083
11083
NSN (National Stock Number) 5310-01-270-1259, 5310012701259 NIIN (National Identification Number) 01-270-1259, 012701259
Part Numbers (Reference Numbers)
7W1691
8W1691
Required Categories
Required Description