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National Stock Number:
5330-00-404-3227
Federal Supply Class:
5330
National Item Identification Number:
004043227
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:
| 8408760 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| ANGLE | 22.0 DEGREES NOMINAL | | BODY RECESS DEPTH | 0.078 INCHES NOMINAL | | BODY RECESS DIAMETER | 4.650 INCHES MINIMUM AND 4.655 INCHES MAXIMUM | | CENTER HOLE DIAMETER | 4.490 INCHES MINIMUM AND 4.493 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM | | HARDNESS RATING | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D2000 2BC615 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | PERIPHERAL DIAMETER | 5.749 INCHES MINIMUM AND 5.754 INCHES MAXIMUM |
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