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National Stock Number:
5330-00-802-5631
Federal Supply Class:
5330
National Item Identification Number:
008025631
Description:
BACK-UP RING,PREFORMED PACKING
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:
| MS9058-24 | 0U583 | SAE INTERNATIONAL | | MS9058-24 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS9058-24 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | SAE-AS9058 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| CENTER HOLE DIAMETER | 1.752 INCHES NOMINAL | | CROSS-SECTIONAL HEIGHT | 0.069 INCHES MINIMUM AND 0.077 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE | | PERIPHERAL DIAMETER | 2.090 INCHES NOMINAL | | SPECIAL FEATURES | JOINT TYPE: SCARF-PERIPHERAL OVERALL |
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