5310-01-353-2064 WASHER,SEAL Index 5331-01-353-2066 O-RING

National Stock Number:
5330-01-353-2065

Federal Supply Class:
5330

National Item Identification Number:
013532065

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:
CW-2300CW PIECE 62065427DC FABRICATORS INC
CW-686ATA65427DC FABRICATORS INC


Techincal Specification:
CENTER HOLE DIAMETER50.250 INCHES MINIMUM AND 50.750 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248,TYPE 1,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
SPECIAL FEATURESATTACHED BRIDGE ACROSS DIAMETER,WITH A WIDTH BETWEEN 0.269 IN. AND 0.281 IN.


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