The Disk,valve, cataloged under National Stock Number 4810-01-189-3413, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-189-3413 |
| Primary Part Number | 2280-400 PC 8 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Pressure Rating | 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 9.438 INCHES NOMINAL IN |
| Nominal Thread Size | 4.500 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | NICKEL ALLOY |
| Thread Series Designator | UN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2280-400 PC 8 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 508-4325844 | D/9 Drawing number reference only U.S. Government activity |
| 508-4325844 PC 8 | 5/2 Secondary reference U.S. Government activity |
| 2280-400 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4810-01-189-3413 is a Disk,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-189-3413 has 1 manufacturer part number on file: 2280-400 PC 8 (Huntington Ingalls Inc Div Newport News Shipbuilding).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-189-3414. Verify interchangeability with system specifications before substitution.
Key specifications for 2280-400 PC 8: Overall Height: 7.875 INCHES NOMINAL IN; Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 9.438 INCHES NOMINAL IN; Nominal Thread Size: 4.500 INCHES IN. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.