The Ring,wearing, cataloged under National Stock Number 4320-00-375-8904, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Coffin Turbo Pump Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4320-00-375-8904 |
| Primary Part Number | 7480 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Coffin Turbo Pump Inc |
| Status | CANCELLED |
| Body Outside Diameter | 3.938 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Corner Shape | SQUARE ALL CORNERS |
| Positioning Hole Depth | 0.375 INCHES NOMINAL IN |
| Positioning Hole Width | 0.375 INCHES NOMINAL IN |
| Body Inside Diameter | 3.688 INCHES MINIMUM AND 3.703 INCHES MAXIMUM IN |
| Center Flange Thickness | 0.438 INCHES NOMINAL IN |
| Flange Diameter | 4.998 INCHES NOMINAL IN |
| End to Flange Distance | 0.234 INCHES NOMINAL IN |
| Body Style | EXTERNAL FLANGE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4320-00-375-8904 is a Ring,wearing, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: cancelled.
NSN 4320-00-375-8904 has 3 cross-referenced part numbers: 7480 (Fmc Corp Turbo Pump Operation), 7480 (Coffin Turbo Pump Inc), A7480-69 (Coffin Turbo Pump Inc).
There are 9 known substitutes for 4320-00-375-8904: 6645-00-163-0774, 6515-00-451-2605, 5306-01-101-2437 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7480: Overall Length: 0.937 INCHES NOMINAL IN; Body Outside Diameter: 3.938 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Special Features: TWO POSITIONING HOLES AT 180 DEGREES. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4320-00-375-8904 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.