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National Stock Number:
5330-00-684-7848
Federal Supply Class:
5330
National Item Identification Number:
006847848
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:
| 578-4801-1574158REVFPC7ASSYC | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 7800-009 PC7 F0R ASSY C | 96169 | ELECTRIC BOAT CORPORATION | | 7800-009 PC7 FOR ASSY C | 96169 | ELECTRIC BOAT CORPORATION | | 8700-0009REVFPC7SSYC | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CENTER HOLE DIAMETER | 1.562 INCHES NOMINAL | | COLOR | BLACK | | CROSS-SECTIONAL HEIGHT | 1.094 INCHES NOMINAL | | CROSS-SECTIONAL THICKNESS | 0.500 INCHES NOMINAL | | EXTRUSION ANGLE | 42.0 DEGREES NOMINAL | | HARDNESS RATING | 60.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855 CL2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 3.625 INCHES NOMINAL |
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