3439-01-545-4819 ROD,WELDING Index 3439-01-545-4821 PREFMD WELD RING

National Stock Number:
5330-01-545-4820

Federal Supply Class:
5330

National Item Identification Number:
015454820

Description:
PACKING,PREFORMED

Detail:
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.


Manufacturer Information:
BY94273A28740FLOWSERVE US INC.
BY94273A-GTJ28740FLOWSERVE US INC.


Techincal Specification:
MATERIALGRAPHITE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,GRAPHITE
SPECIAL FEATURESSIZE OF PACKING IS 4.000 IN


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