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National Stock Number:
5330-00-937-5693
Federal Supply Class:
5330
National Item Identification Number:
009375693
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:
| 8432813 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| CENTER HOLE DIAMETER | 1.785 INCHES MINIMUM AND 1.790 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.437 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | FSC APPLICATION DATA | RECOIL MECHANISM,HOWITZER,105MM | | INNER GROOVE DEPTH | 0.184 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | INNER GROOVE WIDTH | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | SPECIAL FEATURES | ALL SURFACES HAVE MICROINCH FINISH OF 125,EXCEPT OD HAS FINISH OF 32 MIC ROINCH | | PERIPHERAL DIAMETER | 2.318 INCHES NOMINAL |
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