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National Stock Number:
5330-00-682-4682
Federal Supply Class:
5330
National Item Identification Number:
006824682
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 | 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM | | CENTER HOLE DIAMETER | 1.812 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SQUARE | | CROSS-SECTIONAL THICKNESS | 0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM | | DISTANCE BETWEEN ENDS | 0.062 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | PERIPHERAL DIAMETER | 1.978 INCHES NOMINAL |
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