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National Stock Number:
5330-01-253-7140
Federal Supply Class:
5330
National Item Identification Number:
012537140
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:
| 11442277-2 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | V-180A VITTON | 54568 | FORSHEDA SHAFT SEAL CORP |
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Techincal Specification:
| CENTER HOLE DIAMETER | 6.360 INCHES MINIMUM AND 6.400 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.540 INCHES MINIMUM AND 0.600 INCHES MAXIMUM | | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL | RUBBER FLUOROCARBON CLASS FPM OVERALL | | PERIPHERAL DIAMETER | 6.960 INCHES MINIMUM AND 7.080 INCHES MAXIMUM | | TEMP RATING | -46.0 CELSIUS AND 232.0 CELSIUS |
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