The Reducer,tube, cataloged under National Stock Number 4730-00-062-8181, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-062-8181 |
| Primary Part Number | 8-4TRTXD |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Overall Length | 1.000 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Class | 2A SECOND END A |
| Thread Class | 2B FIRST END |
| Material | ALUMINUM 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 |
|---|---|
| 8-4TRTXD PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 484 297 | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 8-4TRTXD | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| 6050-102 | 5/2 Secondary reference U.S. Government activity |
| 8-4TRTXD | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-062-8181 is a Reducer,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-062-8181 has 2 manufacturer part numbers on file: 8-4TRTXD (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 484 297 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-526-7278. Verify interchangeability with system specifications before substitution.
Key specifications for 8-4TRTXD: Connection Style: FLARED (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 1.000 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.250 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.