The Coupling,tube, cataloged under National Stock Number 4730-00-592-7612, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-592-7612 |
| Primary Part Number | 202205-4-4B |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | STREAMLINED W/ ONE BRAZING RING (TUBE) FIRST END |
| Nominal Overall Length | 0.890 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | THREADED AND PLAIN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Class | 3A SECOND END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| 586-508-1718349REVAPCF84 | Naval Sea Systems Command (USA) |
| 202205-4-4B PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 8665-037REVAPCF84 | 5/2 Secondary reference U.S. Government activity |
| 586-508-1718349REVAPCF84 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-592-7612 is a Coupling,tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-592-7612 has 2 manufacturer part numbers on file: 586-508-1718349REVAPCF84 (Naval Sea Systems Command), 202205-4-4B (Danfoss Power Solutions II, Llc).
Key specifications for 202205-4-4B: Connection Style: FLARED (TUBE) SECOND END; Connection Style: STREAMLINED W/ ONE BRAZING RING (TUBE) FIRST END; Nominal Overall Length: 0.890 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE SECOND 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.