Part Details | PREFORMED PACKING
5330-00-641-6257 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.
Alternate Parts: 786238REVAPC6, 7862-38REVAPC6, 1572994 PC 6, 57822001572994REVAPC6, 578-2200-1572994REVAPC6, 5330-00-641-6257, 00-641-6257, 5330006416257, 006416257
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-641-6257 | 04521 ( PACKING, PREFORMED ) |
REFERENCE DRAWINGS & PICTURES
O-RING
Cross Reference | NSN 5330-00-641-6257
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7862-38REVAPC6 | 96169 | ELECTRIC BOAT CORPORATION |
| 1572994 PC 6 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 578-2200-1572994REVAPC6 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5330-00-641-6257
| Characteristic | Specifications |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE | 7 O-RING |
| CROSS-SECTIONAL THICKNESS | 0.125 INCHES NOMINAL |
| CROSS-SECTIONAL HEIGHT | 0.625 INCHES NOMINAL |
| CENTER HOLE DIAMETER | 4.375 INCHES NOMINAL |
| PERIPHERAL DIAMETER | 5.375 INCHES NOMINAL |