National Item Identification Number
01-510-4269
015104269
5330-01-510-4269
5330015104269
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)
81205
Reference Numbers (Part Numbers)
BACS11BD2
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
CROSS-SECTIONAL SHAPE STYLE
III
Required Description
PLASTIC POLYAMIDE
ASTM D 4066 ASSN STD SINGLE MATERIAL RESPONSE OR
L-P-410 FED