National Item Identification Number
01-530-6688
015306688
5330-01-530-6688
5330015306688
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)
05228
PTI TECHNOLOGIES INC
SUB OF ESCO ELECTRONICS CORP
501 DEL NORTE BLVD
OXNARD
CA
93030
805-604-3717
Reference Numbers (Part Numbers)
7554502
Required Categories
III END ITEM IDENTIFICATION
Required Description
BOEING 707 AIRCRAFT, NEXT HIGHER ASSEMBLY FILTER ASSEMBLY, AUXILIARY HYDRAULIC P