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National Stock Number:
5330-00-369-2574
Federal Supply Class:
5330
National Item Identification Number:
003692574
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:
| 2900-107ALT2PC11 | 96169 | ELECTRIC BOAT CORPORATION | | 3153964 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 3153964 PC 11 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY RECESS DEPTH | 0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM | | CENTER HOLE DIAMETER | 2.556 INCHES MINIMUM AND 2.561 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.352 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | CROSS-SECTIONAL THICKNESS | 0.250 INCHES NOMINAL | | FLANGED BODY OUTSIDE DIAMETER | 3.056 INCHES MINIMUM AND 3.061 INCHES MAXIMUM | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | PERIPHERAL DIAMETER | 3.172 INCHES NOMINAL | | RIM SURFACE WIDTH | 0.125 INCHES NOMINAL |
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