5330-00-641-6209 PACKING,PREFORMED Index 5331-00-641-6212 O-RING

National Stock Number:
5330-00-641-6211

Federal Supply Class:
5330

National Item Identification Number:
006416211

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:
571-4805-1303339REVAPC980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ANGLE42.0 DEGREES NOMINAL
CENTER HOLE DIAMETER9.500 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT2.312 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLECUP
HARDNESS RATING40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
PERIPHERAL DIAMETER14.000 INCHES NOMINAL


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