The Flange,pipe, cataloged under National Stock Number 4730-01-319-1412, 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 Naval Sea Systems Command. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-319-1412 |
| Primary Part Number | 810-1385992 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Diameter | 6.125 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF |
| Operating Pressure and Type | 250.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 250.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE, WELDING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.688 INCHES NOMINAL IN |
| Neck Height | 1.874 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390,ALLOY 922 FED SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 5.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY 922 |
| Thickness | 0.938 INCHES NOMINAL IN |
| 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 |
|---|---|
| 810-1385992 | Naval Sea Systems Command (USA) |
| 1385992-801 | Cunico Corporation (USA) |
| Reference | Meaning |
|---|---|
| 810-1385992 REV | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 810-1385992 2.5IN | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-319-1412 is a Flange,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-319-1412 has 2 manufacturer part numbers on file: 810-1385992 (Naval Sea Systems Command), 1385992-801 (Cunico Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-323-3047. Verify interchangeability with system specifications before substitution.
Key specifications for 810-1385992: Flange Diameter: 6.125 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF. 14 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.