The Flange,pipe, cataloged under National Stock Number 4730-00-016-7554, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-016-7554 |
| Primary Part Number | 206813ITEM8 |
| 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 |
| Socket Diameter | 6.625 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING |
| Neck Height | 1.126 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bore Diameter | 6.360 INCHES NOMINAL IN |
| Material | COPPER ALLOY 903 |
| Thickness | 0.562 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 |
|---|---|
| 206813ITEM8 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 206813IM8 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 206813 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 206813ITEM8 | 5/9 Secondary reference National Metalcrafters Inc |
NSN 4730-00-016-7554 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 4730-00-016-7554 has 1 manufacturer part number on file: 206813ITEM8 (Huntington Ingalls Inc Div Newport News Shipbuilding).
5 possible matches (shared part number, not a government interchangeability claim): 4730-00-016-7556, 4730-00-016-7559, 6680-00-620-9513. Verify interchangeability with system specifications before substitution.
Key specifications for 206813ITEM8: Socket Diameter: 6.625 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING. 9 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.