5310-00-479-0267 WASHER,FLAT Index 5330-00-479-0269 GASKET

National Stock Number:
5330-00-479-0268

Federal Supply Class:
5330

National Item Identification Number:
004790268

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:
305391-903104TELEDYNE BROWN ENGINEERING, INC.


Techincal Specification:
ANGLE28.0 DEGREES MINIMUM AND 32.0 DEGREES MAXIMUM
CENTER HOLE DIAMETER0.857 INCHES MINIMUM AND 0.867 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEANGLE
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL DIAMETER1.091 INCHES MINIMUM AND 1.113 INCHES MAXIMUM


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