The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-230-6592, 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 Marco Seattle Inc Dba Marco. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-230-6592 |
| Primary Part Number | 85211 |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Marco Seattle Inc Dba Marco |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | GRIPPING (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.250 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.562 INCHES FIRST END IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| 85211 | Marco Seattle Inc Dba Marco (USA) |
| Reference | Meaning |
|---|---|
| F880-4 | 5/9 Secondary reference U.S. Government activity |
| F880-04-S | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-230-6592 is a Adapter,straight,tube to Hose, manufactured by Marco Seattle Inc Dba Marco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-230-6592 has 1 manufacturer part number on file: 85211 (Marco Seattle Inc Dba Marco).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-334-3299. Verify interchangeability with system specifications before substitution.
Key specifications for 85211: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: GRIPPING (HOSE) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END. 11 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.