5330-00-849-7248 PACKING,PREFORMED Index 5360-00-849-7252 SPRING,SPIRAL,TORSION

National Stock Number:
5330-00-849-7249

Federal Supply Class:
5330

National Item Identification Number:
008497249

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:
75861-15X7REVCPC2396169ELECTRIC BOAT CORPORATION
Q4450-366Y07322MINNESOTA RUBBER CO
Q7707322MINNESOTA RUBBER CO
Q77-366Y07322MINNESOTA RUBBER CO


Techincal Specification:
CENTER HOLE DIAMETER10.500 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESPECIAL
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER11.000 INCHES NOMINAL
TEMP RATING-45.0 FAHRENHEIT AND 220.0 FAHRENHEIT


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