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National Stock Number:
5330-00-371-8672
Federal Supply Class:
5330
National Item Identification Number:
003718672
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:
| 240-3801-1036578REVAPC12 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY RECESS DEPTH | 0.375 INCHES NOMINAL | | BODY RECESS DIAMETER | 6.469 INCHES NOMINAL | | CENTER HOLE DIAMETER | 6.219 INCHES NOMINAL | | CROSS-SECTIONAL HEIGHT | 0.547 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | HARDNESS RATING | 40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL | | PERIPHERAL DIAMETER | 7.312 INCHES NOMINAL |
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