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National Stock Number:
5330-00-378-2566
Federal Supply Class:
5330
National Item Identification Number:
003782566
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:
| 2-245 N304-75 | C0308 | PARKER HANNIFIN GMBH O-RING DIVISION | | AN6227-88 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | N0304 2-245 | 02697 | PARKER-HANNIFIN CORP | | N304-7-88 | 02697 | PARKER-HANNIFIN CORP | | PS1-30-5-88 | 02697 | PARKER-HANNIFIN CORP |
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Techincal Specification:
| ELONGATION PERCENTAGE | 164 MAXIMUM | | CENTER HOLE DIAMETER | 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM | | CROSS SECTION OUTSIDE DIAMETER | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | HARDNESS RATING | 68.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 4.599 INCHES MINIMUM AND 4.675 INCHES MAXIMUM | | TEMP RATING | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT |
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