PACKING,PREFORMED,
| NAVAL SEA SYSTEMS COMMAND | 53711 |
| NAVAL INVENTORY CONTROL POINT MECHANICSBURG | 3950 |
| ZF INDUSTRIEANTRIEBE WITTEN GMBH | D9182 |
| MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 81349 |
| NAVAL INVENTORY CONTROL POINT MECHANICSBURG | 3950 |
| CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| CENTER HOLE DIAMETER | 0.911 INCHES MINIMUM AND 0.931 INCHES MAXIMUM |
| PERIPHERAL DIAMETER | 1.199 INCHES NOMINAL |
| ELONGATION PERCENTAGE | 125 MAXIMUM |
| HARDNESS RATING | 75.0 SHORE DUROMETER A NOMINAL OVERALL |
| CRITICALITY CODE JUSTIFICATION | ZZZW |
| MATERIAL | RUBBER FLUOROCARBON CLASS FPM OVERALL |
| DEPARTURE FROM CITED DOCUMENT | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| FREQUENCY IN HERTZ | 60.0 ALL LOCATIONS |
| 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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