The Coupling,tube, cataloged under National Stock Number 4730-01-198-9530, 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 The Boeing Company Div Defense. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-198-9530 |
| Primary Part Number | ST7M189T10 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.761 INCHES ALL ENDS IN |
| Connection Style | SWAGED W/ GROOVES (TUBE) ALL ENDS |
| Tubing Wall Nominal Thickness for Which Designed | 0.065 INCHES ALL ENDS IN |
| Nominal Overall Length | 2.773 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | SWAGED BOTH ENDS |
| Material Document and Classification | AMS4921 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE OUTSIDE |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| 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 |
|---|---|
| ST7M189T10 PRIMARY | The Boeing Company Div Defense (USA) |
| AC1050T10 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| D10036E10 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| H10036E10 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| LD83020E10 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 10108954 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M189 | D/9 Drawing number reference only The Boeing Company Div Defense |
| H10036E10 | 5/9 Secondary reference Stanley Harrison Corporation |
NSN 4730-01-198-9530 is a Coupling,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-198-9530 has 4 manufacturer part numbers on file: ST7M189T10 (The Boeing Company Div Defense), AC1050T10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), D10036E10 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), H10036E10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-260-7310. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M189T10: Nominal Width Across Flats: 0.761 INCHES ALL ENDS IN; Connection Style: SWAGED W/ GROOVES (TUBE) ALL ENDS; Tubing Wall Nominal Thickness for Which Designed: 0.065 INCHES ALL ENDS IN; Nominal Overall Length: 2.773 INCHES 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.