The Elbow,tube, cataloged under National Stock Number 4730-00-274-4669, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-274-4669 |
| Primary Part Number | ST7M203T12 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | INVERTED FLARE (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Leg Length | 1.062 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Seat Angle | 8.5 DEGREES ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
| 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 |
|---|---|
| ST7M203T12 PRIMARY | The Boeing Company Div Defense (USA) |
| AE16121-12 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| R44106T-12 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| GE510BS12 | Northrop Grumman Systems Corporation (USA) |
| TF340T12 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| AP340T12 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| ST7M203 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-00-274-4669 is a Elbow,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-274-4669 has 6 manufacturer part numbers on file: ST7M203T12 (The Boeing Company Div Defense), AE16121-12 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), R44106T-12 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), GE510BS12 (Northrop Grumman Systems Corporation), TF340T12 (Smiths Tubular Systems-Laconia, Inc.) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-006-5100, 4730-01-083-4205. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M203T12: Flow Angle: 90.0 DEGREES; Connection Style: INVERTED FLARE (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Material Document and Classification: AMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V. 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.