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National Stock Number:
5330-00-757-4093
Federal Supply Class:
5330
National Item Identification Number:
007574093
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:
| 004031N-7 | 09990 | PARKER-HANNIFIN CORPORATION | | 4-A-31 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 4-A-31-BN7 | 09990 | PARKER-HANNIFIN CORPORATION | | 4A31BN7 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | FLANGE | | CROSS-SECTIONAL THICKNESS | 0.062 INCHES MINIMUM AND 0.077 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.110 INCHES MINIMUM AND 0.117 INCHES MAXIMUM | | HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
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