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National Stock Number:
5330-01-527-1438
Federal Supply Class:
5330
National Item Identification Number:
015271438
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:
| 112552000 FN 32 | 07309 | BIRD-JOHNSON PROPELLER COMPANY, LLC | | 37516000 | 30781 | PARKER-HANNIFIN CORPORATION | | N-2-4-12 | 07309 | BIRD-JOHNSON PROPELLER COMPANY, LLC | | 37516000 | 7K168 | ROGER ZATKOFF COMPANY |
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Techincal Specification:
| MATERIAL | RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL | | HARDNESS RATING | 80.0 SHORE DUROMETER A NOMINAL OVERALL | | CROSS-SECTIONAL SHAPE STYLE | U WITH O-RING | | CROSS-SECTIONAL HEIGHT | 0.375 INCHES NOMINAL | | CENTER HOLE DIAMETER | 16.000 INCHES NOMINAL | | PERIPHERAL DIAMETER | 16.750 INCHES NOMINAL | | SPECIAL FEATURES | PARKER MATERIAL P/N IS NON-LUBRICATED, TYPE N4257A-80 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAL ROD POLYPAK |
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