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National Stock Number:
5330-01-259-0418
Federal Supply Class:
5330
National Item Identification Number:
012590418
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:
| 0001.1056.R | 94271 | LOCKHEED MARTIN CORP | | 2-258-E740-75 | 02697 | PARKER-HANNIFIN CORP | | 2-258-E740-75 | 83259 | PARKER-HANNIFIN CORPORATION | | AS-258-E50-75 | 76680 | FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV | | E0740-75 2-258 | 02697 | PARKER-HANNIFIN CORP |
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Techincal Specification:
| CENTER HOLE DIAMETER | 5.949 INCHES MINIMUM AND 6.019 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | HARDNESS RATING | 75.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL | RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL | | PERIPHERAL DIAMETER | 6.219 INCHES MINIMUM AND 6.305 INCHES MAXIMUM | | TEMP RATING | -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT |
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