4470-00-042-3979 DISK,VALVE Index 4470-00-042-3985 SEAL RING,NUCLEAR COOLANT SYSTEM

National Stock Number:
5330-00-042-3980

Federal Supply Class:
5330

National Item Identification Number:
000423980

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:
30078PC4014959CRANE CO DIV VALVE DIV
8910B-2-750PC1116497DRESSER, INC.
B9981614959CRANE CO DIV VALVE DIV
S134614959CRANE CO DIV VALVE DIV
C99599189JOHN CRANE-HOUDAILLE INC LAPMASTER INTL DIV


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