The Reducer,tube, cataloged under National Stock Number 4730-01-548-0359, 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 Stratoflex Product Division. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-548-0359 |
| Primary Part Number | R42598T-0604 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | SOCKET (TUBE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.022 INCHES ALL ENDS IN |
| Nominal Overall Length | 0.779 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS4965 6AL-4V FED SPEC ALL MATERIAL RESPONSES OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Reduced Passage Nominal Inside Diameter | 0.208 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 8.1 DEGREES FIRST END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS FIRST END |
| 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 |
|---|---|
| R42598T-0604 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AP6686T-0604 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP2049T-0604 | Aerofit, Llc (USA) |
| Reference | Meaning |
|---|---|
| R42543T-604 | 3/9 Design control — primary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| 50-097-0604 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-548-0359 is a Reducer,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-548-0359 has 3 manufacturer part numbers on file: R42598T-0604 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AP6686T-0604 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP2049T-0604 (Aerofit, Llc).
Key specifications for R42598T-0604: Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: SOCKET (TUBE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.022 INCHES ALL ENDS IN; Nominal Overall Length: 0.779 INCHES IN. 18 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.