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National Stock Number:
5330-00-182-3039
Federal Supply Class:
5330
National Item Identification Number:
001823039
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:
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Techincal Specification:
| ANGLE | 15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM | | CENTER HOLE DIAMETER | 1.555 INCHES MINIMUM AND 1.573 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | ANGLE | | CROSS-SECTIONAL HEIGHT | 0.099 INCHES MINIMUM AND 0.105 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | PERIPHERAL DIAMETER | 1.625 INCHES MINIMUM AND 1.635 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.059 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | SPECIAL FEATURES | BOTH ENDS OF OD CHAMFERED 20 DEG PORM 5 TO 0.010 IN. MIN,0.020 IN. MAX DEPTH |
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