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National Stock Number:
5330-00-940-8425
Federal Supply Class:
5330
National Item Identification Number:
009408425
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:
| 26591-1 | 81412 | TREADWELL CORPORATION (DELAWARE) | | 26591-1CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 26591-2 | 81412 | TREADWELL CORPORATION (DELAWARE) |
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Techincal Specification:
| CENTER HOLE DIAMETER | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL HEIGHT | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | PERIPHERAL DIAMETER | 0.795 INCHES MINIMUM AND 0.805 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | RIM SURFACE WIDTH | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
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