The Elbow,tube, cataloged under National Stock Number 4730-00-004-2796, 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 14 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-004-2796 |
| Primary Part Number | ST7M211T6 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (TUBE) ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Leg Length | 0.456 INCHES MINIMUM AND 0.486 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Seat Angle | 8.0 DEGREES ALL ENDS |
| Maximum Operating Temp | 275.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | -65.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Media for Which Designed | FLUID FIRST RESPONSE |
| Media for Which Designed | AIR SECOND RESPONSE |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 20 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 | F |
| Part Number | Manufacturer |
|---|---|
| ST7M211T6 PRIMARY | The Boeing Company Div Defense (USA) |
| AE16339-6 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AP321T06 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP2604T0606 | Aerofit, Llc (USA) |
| R44359T06 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| TF321T06 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| R44359T-06 | 5/9 Secondary reference HS Marston Aerospace Limited |
| C7560-6 | 5/9 Secondary reference U.S. Government activity |
| 07A127-06 | 5/9 Secondary reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| GE510BN6 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| GE510BN | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| TF321T06 | 5/9 Secondary reference Titeflex Corp Industrial Products Group |
| 10111253 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4730-00-004-2796 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 4730-00-004-2796 has 5 manufacturer part numbers on file: ST7M211T6 (The Boeing Company Div Defense), AE16339-6 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AP321T06 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP2604T0606 (Aerofit, Llc), R44359T06 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-004-4747, 4730-00-272-9791, 4730-00-275-1402. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M211T6: Connection Style: INVERTED FLARE (TUBE) ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN; Leg Length: 0.456 INCHES MINIMUM AND 0.486 INCHES MAXIMUM SECOND END IN; Leg Length: 1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM FIRST END IN. 14 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.