The Flange,pipe, cataloged under National Stock Number 4730-01-246-2878, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-246-2878 |
| Primary Part Number | 2401306 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 3.000 INCHES IN |
| Material Document and Classification | MIL-C-20159,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 2285-1115 ITEM FL-5 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 508-5590030 ITEM FL-5 | Naval Sea Systems Command (USA) |
| 2401306 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 2285-1115 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 508-5590030 ITEM FL-2 | 5/9 Secondary reference Naval Sea Systems Command |
| 508-5590030 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-246-2878 is a Flange,pipe, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-246-2878 has 3 manufacturer part numbers on file: 2285-1115 ITEM FL-5 (Huntington Ingalls Inc Div Newport News Shipbuilding), 508-5590030 ITEM FL-5 (Naval Sea Systems Command), 2401306 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 2401306: Nominal Pipe Size for Which Designed: 3.000 INCHES IN; Material Document and Classification: MIL-C-20159,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE; Material: COPPER ALLOY. 3 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.