The Control Box,pressure Release, cataloged under National Stock Number 4210-01-229-3140, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4210-01-229-3140 |
| Primary Part Number | U 2402-493 |
| Item Name | Control Box,pressure Release |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;PART OF THE FIRE EXTINGUISHING SYSTEM FORA DEEP FAT FRYER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| U 2402-493 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 1240185 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 506-5203308 #F21 | 5/9 Secondary reference Naval Sea Systems Command |
| 506-5203308 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4210-01-229-3140 is a Control Box,pressure Release, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-229-3140 has 1 manufacturer part number on file: U 2402-493 (Huntington Ingalls Inc Div Newport News Shipbuilding).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-238-8761. Verify interchangeability with system specifications before substitution.
Key specifications for U 2402-493: General Characteristics Item Description: STEEL;PART OF THE FIRE EXTINGUISHING SYSTEM FORA DEEP FAT FRYER. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.