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National Stock Number:
5330-01-289-3416
Federal Supply Class:
5330
National Item Identification Number:
012893416
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:
| MS9068-132 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ELONGATION PERCENTAGE | 125 MAXIMUM | | CENTER HOLE DIAMETER | 1.727 INCHES MINIMUM AND 1.747 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM | | HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL | SILICONE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | PACKING,PREFORMED | | PERIPHERAL DIAMETER | 1.943 INCHES NOMINAL | | TEMP RATING | -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT |
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