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National Stock Number:
5330-00-292-2837
Federal Supply Class:
5330
National Item Identification Number:
002922837
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:
| MILW19016 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ANGLE | 45.0 DEGREES NOMINAL | | CENTER HOLE DIAMETER | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | ANGLE | | HARDNESS RATING | 92.0 SHORE DUROMETER A MINIMUM OVERALL AND 98.0 SHORE DUROMETER A MAXIMUM OVERALL | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND B STYLE AND HARD COMPOSITION | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | PERIPHERAL DIAMETER | 0.641 INCHES MINIMUM AND 0.672 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM | | TEMP RATING | 32.0 DEG FAHRENHEIT AND 212.0 DEG FAHRENHEIT |
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