The Elbow,tube, cataloged under National Stock Number 4730-01-006-5100, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-006-5100 |
| Primary Part Number | ST7M203T4 |
| 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 | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 0.617 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 24 ALL ENDS |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS 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 |
|---|---|
| GE510BS4 | Northrop Grumman Systems Corporation (USA) |
| AE16121-4 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| R44106T-04 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AP340T04 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| ST7M203T4 PRIMARY | The Boeing Company Div Defense (USA) |
| TF340T04 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10108466 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M203 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-006-5100 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 4730-01-006-5100 has 6 manufacturer part numbers on file: GE510BS4 (Northrop Grumman Systems Corporation), AE16121-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), R44106T-04 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AP340T04 (Sps Technologies, Llc Dba Airdrome Precision Components), ST7M203T4 (The Boeing Company Div Defense) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-083-4205. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M203T4: Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN. 11 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.