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National Stock Number:
5330-00-910-7936
Federal Supply Class:
5330
National Item Identification Number:
009107936
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:
| 249-58790-23 | 89372 | ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS | | 249-58790-5 | 89372 | ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.733 INCHES MINIMUM AND 0.738 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.210 INCHES MINIMUM AND 0.215 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | OUTER GROOVE DEPTH | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | OUTER GROOVE WIDTH | 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM | | PERIPHERAL DIAMETER | 0.862 INCHES NOMINAL |
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