The Valve Assembly, cataloged under National Stock Number 4810-01-414-0406, 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 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-414-0406 |
| Primary Part Number | 2601-339 ASSEMBLY 99 |
| Item Name | Valve Assembly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Valve Quantity | 2 |
| Flange Face Design | PLAIN |
| Connection Type | FLANGE, ROUND W/HOLES |
| End Connection Quantity | 3 |
| Body Material | COPPER ALLOY |
| Bolt Hole Quantity | 10 |
| Flange Diameter | 10.500 INCHES IN |
| Valve Operation Method | ELECTRIC MOTOR |
| 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 |
|---|---|
| 2601-339 ASSEMBLY 99 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 2601-339 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4325676 | D/9 Drawing number reference only U.S. Government activity |
| 504-4325676 ASS | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 504-4325676 ASSY 99 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4810-01-414-0406 is a Valve Assembly, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-414-0406 has 1 manufacturer part number on file: 2601-339 ASSEMBLY 99 (Huntington Ingalls Inc Div Newport News Shipbuilding).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-414-5575. Verify interchangeability with system specifications before substitution.
Key specifications for 2601-339 ASSEMBLY 99: Valve Quantity: 2; Flange Face Design: PLAIN; Connection Type: FLANGE, ROUND W/HOLES; End Connection Quantity: 3. 8 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.