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National Stock Number:
5330-00-772-6467
Federal Supply Class:
5330
National Item Identification Number:
007726467
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:
| 2104373PC11 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | SS209-2104373PC | 53711 | NAVAL SEA SYSTEMS COMMAND | | SS209-2104373PC11 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY RECESS DEPTH | 0.275 INCHES MINIMUM AND 0.280 INCHES MAXIMUM | | CENTER HOLE DIAMETER | 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | CROSS-SECTIONAL HEIGHT | 0.342 INCHES MINIMUM AND 0.362 INCHES MAXIMUM | | CROSS-SECTIONAL THICKNESS | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | FLANGED BODY OUTSIDE DIAMETER | 3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM | | HARDNESS RATING | 80.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6855,GR 80 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 4.099 INCHES MINIMUM AND 4.119 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
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