National Item Identification Number
00-437-4521
004374521
5330-00-437-4521
5330004374521
National Stock Number
Item Name
PACKING,PREFORMED
Federal Supply Class
5330
Description
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.
Commercial and Government Entity Code (Supplier Data)
16603
CONTROL FLOW INC
DBA WESTECH HEAVY MACHINERY DIV DIV
1220 E 29TH ST
SIGNAL HILL
CA
90755
562-528-3303
3X894
Reference Numbers (Part Numbers)
E105498
E105498
9104F
Required Categories
MATERIAL
HARDNESS RATING
CROSS-SECTIONAL SHAPE STYLE
CROSS-SECTIONAL HEIGHT;
Required Description
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
70.0 SHORE DUROMETER A NOMINAL