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National Stock Number:
5330-00-582-7666
Federal Supply Class:
5330
National Item Identification Number:
005827666
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:
| D-311-071 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | D311-071 | 76376 | MECHANICAL RUBBER PRODUCTS COMPANY, INC. | | D311-071 | 92755 | NORTHROP GRUMMAN SYSTEMS CORP |
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Techincal Specification:
| ANGLE | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM | | CENTER HOLE DIAMETER | 1.280 INCHES MINIMUM AND 1.300 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | U | | HARDNESS RATING | 85.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | PERIPHERAL DIAMETER | 2.210 INCHES MINIMUM AND 2.230 INCHES MAXIMUM |
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