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National Stock Number:
5330-00-819-1507
Federal Supply Class:
5330
National Item Identification Number:
008191507
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:
| 2070-20PC35 | 43689 | HUNTINGTON INGALLS INC | | 6537775PC21 | 53711 | NAVAL SEA SYSTEMS COMMAND | | A9930221 | 25685 | NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE | | 6640205 ITEM 21 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 76631-01X3PC17 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CENTER HOLE DIAMETER | 7.500 INCHES NOMINAL | | CROSS-SECTIONAL HEIGHT | 0.375 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | U | | HARDNESS RATING | 80.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL | RUBBER SYNTHETIC OVERALL | | PERIPHERAL DIAMETER | 8.250 INCHES NOMINAL |
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