The Reducer,tube, cataloged under National Stock Number 4730-00-122-4103, 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 Maney Aircraft, Inc. Dba Maney Aircraft. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-122-4103 |
| Primary Part Number | 305-582109 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Maney Aircraft, Inc. Dba Maney Aircraft |
| Status | ACTIVE |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Nominal Overall Length | 1.530 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 2A ALL ENDS A |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 305-582109 PRIMARY | Maney Aircraft, Inc. Dba Maney Aircraft (USA) |
| Reference | Meaning |
|---|---|
| 305-582109 | 5/9 Secondary reference Smith and Smith Aircraft Co |
| 305-582109 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-122-4103 is a Reducer,tube, manufactured by Maney Aircraft, Inc. Dba Maney Aircraft, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-122-4103 has 1 manufacturer part number on file: 305-582109 (Maney Aircraft, Inc. Dba Maney Aircraft).
Key specifications for 305-582109: Connection Style: FLARELESS (TUBE) ALL ENDS; Nominal Overall Length: 1.530 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES SECOND END IN. 13 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.