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National Stock Number:
5330-00-488-4257
Federal Supply Class:
5330
National Item Identification Number:
004884257
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:
| CENTER HOLE DIAMETER | 0.766 INCHES MINIMUM AND 0.776 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | U | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | PERIPHERAL DIAMETER | 1.094 INCHES MINIMUM AND 2.104 INCHES MAXIMUM |
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