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National Stock Number:
5330-01-553-6288
Federal Supply Class:
5330
National Item Identification Number:
015536288
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:
| 3227009 ITEM 3 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 54-35-0016 | 96169 | ELECTRIC BOAT CORPORATION | | 721-7385444-5 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE DIAMETER | 81.250 INCHES NOMINAL | | CROSS SECTION OUTSIDE DIAMETER | 0.500 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | CUT TYPE | RECTANGULAR OVERALL | | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL | | JOINT QUANTITY | 1 | | JOINT TYPE | BUTT OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-3065 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | SPECIAL FEATURES | VULCANIZED JOINT SHALL HAVE A MINIMUM TENSILE STRENGTH OF 300 PSI |
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