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National Stock Number:
5330-01-408-2649
Federal Supply Class:
5330
National Item Identification Number:
014082649
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:
| M83248/2-019 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | M83248/2-019CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| MATERIAL | RUBBER FLUOROCARBON CLASS FPM OVERALL | | ELONGATION PERCENTAGE | 125 MAXIMUM | | HARDNESS RATING | 90.0 SHORE DUROMETER A NOMINAL OVERALL | | CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND | | 0.073 INCHES MAXIMUM | | CENTER HOLE DIAMETER | 0.792 INCHES MINIMUM AND | | 0.810 INCHES MAXIMUM | | PERIPHERAL DIAMETER | 0.941 INCHES NOMINAL | | DEPARTURE FROM CITED DOCUMENT | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | CRITICALITY CODE JUSTIFICATION | ZZZW | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M83248/2-019 |
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