5330-01-042-2816 PACKING,PREFORMED Index 5330-01-042-2818 PACKING,PREFORMED

National Stock Number:
5330-01-042-2817

Federal Supply Class:
5330

National Item Identification Number:
010422817

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:
204-80332-781205THE BOEING COMPANY


Techincal Specification:
ANGLE20.0 DEGREES MINIMUM AND 22.0 DEGREES MAXIMUM
CENTER HOLE DIAMETER0.500 INCHES NOMINAL
CROSS SECTION OUTSIDE DIAMETER1.900 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEDELTA
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
JOINT TYPEBUTT OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL


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