National Item Identification Number
01-360-7600
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)
09257
94697
Reference Numbers (Part Numbers)
A78046-108
A78046-108
A78046-108
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
CROSS-SECTIONAL SHAPE STYLE
CRO
Required Description
PLASTIC POLYTETRAFLUOROETHYLENE
MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE
1