The Coupling,tube, cataloged under National Stock Number 4730-00-533-3740, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-533-3740 |
| Primary Part Number | 234-025-9005 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREFORMED PACKING |
| Connection Style | GROOVED INSIDE (TUBE) ALL ENDS |
| Tubing Wall Nominal Thickness for Which Designed | 0.220 INCHES SECOND END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.238 INCHES FIRST END IN |
| Nominal Overall Length | 3.156 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | PLAIN |
| Nominal Outside Diameter Tube Accommodated | 3.000 INCHES ALL ENDS IN |
| Media for Which Designed | FLUID FIRST RESPONSE |
| Media for Which Designed | AIR SECOND RESPONSE |
| Material | RUBBER SYNTHETIC GASKET |
| Material | ALUMINUM ALLOY OR ALUMINUM BODY |
| 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 |
|---|---|
| 12A425S-300 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| 12A425S300 | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| 234-025-9005 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 4730-00-533-3740 is a Coupling,tube, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-533-3740 has 3 manufacturer part numbers on file: 12A425S-300 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site), 12A425S300 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc), 234-025-9005 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 234-025-9005: Furnished Items and Quantity: 2 PREFORMED PACKING; Connection Style: GROOVED INSIDE (TUBE) ALL ENDS; Tubing Wall Nominal Thickness for Which Designed: 0.220 INCHES SECOND END IN; Tubing Wall Nominal Thickness for Which Designed: 0.238 INCHES FIRST END IN. 12 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.