National Item Identification Number
01-514-7222
015147222
5330-01-514-7222
5330015147222
National Stock Number
Item Name
BACK-UP RING,PREFORMED PACKING
Federal Supply Class
5330
Description
A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. It prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a PACKING, PREFORMED or O-RING.
Commercial and Government Entity Code (Supplier Data)
11083
Reference Numbers (Part Numbers)
095-1789
Required Categories
III END ITEM IDENTIFICATION
III PART NAME ASSIGNED BY CONTROLLING AGENCY
Required Description
MODEL 420D BACKHOE LOADER BLN
RING,BACK-UP
