National Item Identification Number
01-510-7483
015107483
5330-01-510-7483
5330015107483
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)
88277
Reference Numbers (Part Numbers)
17P6E2020-501
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
CROSS-SECTIONAL SHAPE STYLE
III
Required Description
PLASTIC POLYAMIDE
L-P-410 FED SPEC SINGLE MATERIAL RESPONSE
2 SINGLE TURN SPIR