The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-206-3732, 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 Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-206-3732 |
| Primary Part Number | 813-546-003 |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 8.000 INCHES IN |
| Design Type | CORRUGATED ELEMENT |
| Equalization Characteristic | SELF-EQUALIZING |
| End Connection Type | FLANGED |
| Bolt Hole Diameter | 0.688 INCHES NOMINAL IN |
| Bolt Hole Quantity | 14 |
| Bolt Circle Diameter | 11.062 INCHES NOMINAL IN |
| Joint Type | SINGLE |
| Flange Outside Diameter | 13.500 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 |
|---|---|
| 813-546-003 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions (USA) |
| Reference | Meaning |
|---|---|
| 857-022-041 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions |
| 857-022-041 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots |
| 857-022-041 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand |
NSN 4730-01-206-3732 is a Expansion Joint,pipe, manufactured by Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-206-3732 has 1 manufacturer part number on file: 813-546-003 (Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions).
Key specifications for 813-546-003: Nominal Pipe Size Designation: 8.000 INCHES IN; Design Type: CORRUGATED ELEMENT; Equalization Characteristic: SELF-EQUALIZING; End Connection Type: FLANGED. 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.