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National Stock Number:
5330-01-488-9736
Federal Supply Class:
5330
National Item Identification Number:
014889736
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.
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Manufacturer Information:
| 4440-514J | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 566-6985434-44 | 53711 | NAVAL SEA SYSTEMS COMMAND | | Q4440-514VN | 07322 | MINNESOTA RUBBER CO | | H623-0507-44 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CENTER HOLE DIAMETER | 6.685 INCHES MINIMUM AND 6.765 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | HARDNESS RATING | 90.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL | RUBBER FLUOROCARBON CLASS FPM OVERALL | | PERIPHERAL DIAMETER | 7.235 INCHES MINIMUM AND 7.315 INCHES MAXIMUM | | SPECIAL FEATURES | QUAD-RING |
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