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National Stock Number:
5330-01-511-1289
Federal Supply Class:
5330
National Item Identification Number:
015111289
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:
| 53291 NON-ASBESTOS | 53059 | SPIRAX SARCO INC |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.438 INCHES MINIMUM AND 0.446 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.686 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | ENVIRONMENTAL ATTRIBUTE CODE | ASBESTOS ALTERNATIVE PRODUCTS | | PERIPHERAL DIAMETER | 0.737 INCHES MINIMUM AND 0.745 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.500 INCHES NOMINAL | | SPECIAL FEATURES | CONTAINS NON-ASBESTOS MATERIALS. |
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