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National Stock Number:
5330-00-855-8422
Federal Supply Class:
5330
National Item Identification Number:
008558422
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:
| 3505-237 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | | 3541-31-237 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | | PRP568-237-1133-60 | 77308 | PARCO, LLC | | ARP568-237 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
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Techincal Specification:
| CENTER HOLE DIAMETER | 3.359 INCHES NOMINAL | | CROSS-SECTIONAL HEIGHT | 0.139 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | HARDNESS RATING | 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ OVERALL | | TEMP RATING | -85.0 CELSIUS AND 500.0 CELSIUS |
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