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National Stock Number:
5330-01-423-5541
Federal Supply Class:
5330
National Item Identification Number:
014235541
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:
| 12395384 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| MATERIAL | RUBBER FLUOROSILICONE CLASS FQ OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988 TYPE 2, CLASS 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 70.0 SHORE DUROMETER A NOMINAL OVERALL | | CROSS-SECTIONAL SHAPE STYLE | DELTA | | CROSS-SECTIONAL HEIGHT | 0.464 INCHES MINIMUM AND | | 0.474 INCHES MAXIMUM | | INNER GROOVE DEPTH | 0.112 INCHES NOMINAL | | INNER GROOVE WIDTH | 0.350 INCHES NOMINAL | | CENTER HOLE DIAMETER | 1.625 INCHES NOMINAL | | PERIPHERAL DIAMETER | 2.070 INCHES MINIMUM AND | | 2.080 INCHES MAXIMUM | | SPECIAL FEATURES | OUTER CORNERS NON-RECTANGULAR |
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