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National Stock Number:
5330-01-581-8280
Federal Supply Class:
5330
National Item Identification Number:
015818280
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:
| MS9388-022 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | MS9388-022 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | RUBBER FLUOROCARBON CLASS FPM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND | | 75.0 SHORE DUROMETER A MAXIMUM OVERALL | | CROSS-SECTIONAL SHAPE STYLE | O-RING | | CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND | | 0.073 INCHES MAXIMUM | | CENTER HOLE DIAMETER | 0.983 INCHES MINIMUM AND | | 0.995 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | PACKING, PREFORMED, AMS 7278, SEAL |
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