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National Stock Number:
5330-01-307-7557
Federal Supply Class:
5330
National Item Identification Number:
013077557
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:
| AN123928 | 95201 | NAPCO INTERNATIONAL LLC | | MIL-P-25732C | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS28775-268 | 0U583 | SAE INTERNATIONAL | | SAE-AS28775 | 0U583 | SAE INTERNATIONAL | | MS28775-268 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS28775-268 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CENTER HOLE DIAMETER | 8.454 INCHES MINIMUM AND 8.514 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZW | | DEPARTURE FROM CITED DOCUMENT | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR | | PERIPHERAL DIAMETER | 8.762 INCHES NOMINAL | | TEMP RATING | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT |
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