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National Stock Number:
5330-01-206-1536
Federal Supply Class:
5330
National Item Identification Number:
012061536
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:
| 5-248 N304-75 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION | | 5-248N304-75 | 02697 | PARKER-HANNIFIN CORP | | N0304 5-248 | 02697 | PARKER-HANNIFIN CORP |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.618 INCHES MINIMUM AND 0.632 INCHES MAXIMUM | | CROSS SECTION OUTSIDE DIAMETER | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | HARDNESS RATING | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER SYNTHETIC OVERALL | | PERIPHERAL DIAMETER | 0.712 INCHES MINIMUM AND 0.738 INCHES MAXIMUM |
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