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National Stock Number:
5330-00-297-9882
Federal Supply Class:
5330
National Item Identification Number:
002979882
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:
| 183668 | 76005 | LORD CORPORATION | | 183668 | 77445 | RTX CORPORATION | | 225856 | 00198 | PRATT & WHITNEY CANADA CORP | | 225856 | 77445 | RTX CORPORATION |
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Techincal Specification:
| ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM | | CENTER HOLE DIAMETER | 0.486 INCHES MINIMUM AND 0.508 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
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