The Elbow,pipe, cataloged under National Stock Number 4730-01-418-6574, 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 Danfoss Power Solutions II, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-418-6574 |
| Primary Part Number | 2252-4-4S |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Leg Length | 0.875 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.609 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 551-6758859FN36 | Naval Sea Systems Command (USA) |
| 2252-4-4S PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6758859 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2252-4-4S | C/1 Advisory reference — outside the item-of-supply concept Danfoss Power Solutions II, Llc |
| 2252-4-4S | 5/9 Secondary reference Eaton Fluid Power Pty Ltd |
NSN 4730-01-418-6574 is a Elbow,pipe, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-418-6574 has 2 manufacturer part numbers on file: 551-6758859FN36 (Naval Sea Systems Command), 2252-4-4S (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-631-4198. Verify interchangeability with system specifications before substitution.
Key specifications for 2252-4-4S: Flow Angle: 90.0 DEGREES; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END. 12 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.