5330-00-239-2852 PACKING,PREFORMED Index 5330-00-239-2856 PACKING,PREFORMED

National Stock Number:
5330-00-239-2854

Federal Supply Class:
5330

National Item Identification Number:
002392854

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:
2462-327REVB496169ELECTRIC BOAT CORPORATION
2462-368REVP396169ELECTRIC BOAT CORPORATION
340-2200-805142REVAPC3180064NAVAL SHIP SYSTEMS COMMAND
343-2200-483346ALT2PCB480064NAVAL SHIP SYSTEMS COMMAND
349-2200-483437ALT2PCP380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE DIAMETER0.875 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.111 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEU
MATERIALASBESTOS AND RUBBER SYNTHETIC OVERALL
PERIPHERAL DIAMETER1.375 INCHES NOMINAL


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