5331-01-283-2438 O-RING Index 5330-01-283-2440 RETAINER,PACKING

National Stock Number:
5330-01-283-2439

Federal Supply Class:
5330

National Item Identification Number:
012832439

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:
Q4426-366Y07322MINNESOTA RUBBER CO


Techincal Specification:
CENTER HOLE DIAMETER4.585 INCHES MINIMUM AND 4.615 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLESPECIAL
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS3215 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3228 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 7270 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
PERIPHERAL DIAMETER5.123 INCHES MINIMUM AND 5.177 INCHES MAXIMUM
TEMP RATING-45.0 FAHRENHEIT AND 220.0 FAHRENHEIT


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