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National Stock Number:
5330-01-549-8046
Federal Supply Class:
5330
National Item Identification Number:
015498046
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:
| MS28778-8 | 21439 | CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC |
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Techincal Specification:
| ELONGATION PERCENTAGE | 80 MAXIMUM | | CENTER HOLE DIAMETER | 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM | | HARDNESS RATING | 90.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL | RUBBER SYNTHETIC OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | PACKAGE PREFORMED 1/2 TUBE | | PERIPHERAL DIAMETER | 0.818 INCHES NOMINAL | | TEMP RATING | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT |
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