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National Stock Number:
5330-00-105-6860
Federal Supply Class:
5330
National Item Identification Number:
001056860
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:
| 2640-355X3PC23 | 96169 | ELECTRIC BOAT CORPORATION | | SS845-2050886PC | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-2050888PC23 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE DIAMETER | 1.481 INCHES MINIMUM AND 1.501 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.130 INCHES MINIMUM AND 0.146 INCHES MAXIMUM | | HARDNESS RATING | 40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-15624,CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 1.806 INCHES MINIMUM AND 1.826 INCHES MAXIMUM |
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