The Coupling,tube, cataloged under National Stock Number 4730-01-548-0348, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-548-0348 |
| Primary Part Number | R42541T-04 |
| Item Name | Coupling,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 | SOCKET (TUBE) FIRST END |
| Connection Style | INVERTED FLARE (TUBE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.022 INCHES FIRST END IN |
| Nominal Overall Length | 0.802 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | THREADED EXTERNAL RIGID, THREADED INTERNAL SWIVEL |
| Material Document and Classification | 81343-AMS4965 6AL-4V FED SPEC ALL MATERIAL RESPONSES OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Seat Angle | 8.1 DEGREES SECOND END |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 24 SECOND END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS SECOND 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 |
|---|---|
| AFP2050T-04 | Aerofit, Llc (USA) |
| R42541T-04 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AP6698T-04 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 50-094-04 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-548-0348 is a Coupling,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 4730-01-548-0348 has 3 manufacturer part numbers on file: AFP2050T-04 (Aerofit, Llc), R42541T-04 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AP6698T-04 (Sps Technologies, Llc Dba Airdrome Precision Components).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-559-0513. Verify interchangeability with system specifications before substitution.
Key specifications for R42541T-04: Connection Style: SOCKET (TUBE) FIRST END; Connection Style: INVERTED FLARE (TUBE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.022 INCHES FIRST END IN; Nominal Overall Length: 0.802 INCHES IN. 16 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.