The Coupling,tube, cataloged under National Stock Number 4730-00-588-2673, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-588-2673 |
| Primary Part Number | 580-201-1699411ALTAPCF34 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | STREAMLINED W/ ONE BRAZING RING (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.058 INCHES FIRST END IN |
| Nominal Overall Length | 1.406 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | THREADED AND PLAIN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Media for Which Designed | AIR SECOND RESPONSE |
| Media for Which Designed | HYDRAULIC FLUID FIRST RESPONSE |
| Thread Class | 2A SECOND END A |
| Material | COPPER ALLOY AND COPPER ALLOY 360 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 |
|---|---|
| 580-201-1699411ALTAPCF34 PRIMARY | Naval Sea Systems Command (USA) |
| 202205-8-8B PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 580-201-1699411ALTAPCF34 | 5/9 Secondary reference U.S. Government activity |
| 202205-8-8B | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
NSN 4730-00-588-2673 is a Coupling,tube, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-588-2673 has 2 manufacturer part numbers on file: 580-201-1699411ALTAPCF34 (Naval Sea Systems Command), 202205-8-8B (Hydrasearch Company, Llc).
Key specifications for 580-201-1699411ALTAPCF34: Connection Style: FLARED (TUBE) SECOND END; Connection Style: STREAMLINED W/ ONE BRAZING RING (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.058 INCHES FIRST END IN; Nominal Overall Length: 1.406 INCHES IN. 15 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.