The Coupling Assembly,tube, cataloged under National Stock Number 4730-01-705-3893, 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 Hydraflow. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-705-3893 |
| Primary Part Number | TC040-48AE |
| Item Name | Coupling Assembly,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL STD SINGLE TREATMENT RESPONSE BODY |
| Material Document and Classification | AMS-QQ-A-225 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 3.0 INCHES ALL ENDS IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 3.625 INCHES ALL ENDS IN |
| Surface Treatment | ANODIZE BODY |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | ALUMINUM ALLOY 2024 BODY |
| Thread Series Designator | UN ALL ENDS |
| 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 |
|---|---|
| TC040-48AE PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| AS17330 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-705-3893 is a Coupling Assembly,tube, manufactured by Hydraflow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-705-3893 has 1 manufacturer part number on file: TC040-48AE (Hydraflow).
Key specifications for TC040-48AE: Surface Treatment Document and Classification: MIL-A-8625 MIL STD SINGLE TREATMENT RESPONSE BODY; Material Document and Classification: AMS-QQ-A-225 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE BODY; Nominal Outside Diameter Tube Accommodated: 3.0 INCHES ALL ENDS IN; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.