5330-01-059-7540 O-RING Index 5330-01-059-7542 GASKET

National Stock Number:
5330-01-059-7541

Federal Supply Class:
5330

National Item Identification Number:
010597541

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:
811-036-00251729DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS
854-961-044PC1051729DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS
AN-6227-3106644CHICAGO GASKET CO
AN6227-3188044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
CENTER HOLE DIAMETER1.840 INCHES MINIMUM AND 1.860 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT


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