5330-01-298-7219 PACKING,PREFORMED Index 5330-01-298-7221 PACKING,PREFORMED

National Stock Number:
5330-01-298-7220

Federal Supply Class:
5330

National Item Identification Number:
012987220

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:
AS3209-0220U583SAE INTERNATIONAL
AS3209-02281343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE-AMS72760U583SAE INTERNATIONAL


Techincal Specification:
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.979 INCHES MINIMUM AND 0.999 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER FLUOROCARBON CLASS FPM
PERIPHERAL DIAMETER1.129 INCHES NOMINAL
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT


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