The Elbow,tube, cataloged under National Stock Number 4730-01-007-8277, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-007-8277 |
| Primary Part Number | ST7M224T16 |
| 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 | 60.0 DEGREES |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 0.899 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.251 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Nominal Thread Size | 1.250 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 14 FIRST END |
| Thread Quantity Per Inch | 14 SECOND END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS SECOND END |
| Thread Series Designator | UNJS FIRST END |
| 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 |
|---|---|
| TF331T16 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| AP331T16 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R44129-60T16 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AE16400-16 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AFP2608T1616 | Aerofit, Llc (USA) |
| ST7M224T16 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10108469 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M224 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-007-8277 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 4730-01-007-8277 has 6 manufacturer part numbers on file: TF331T16 (Smiths Tubular Systems-Laconia, Inc.), AP331T16 (Sps Technologies, Llc Dba Airdrome Precision Components), R44129-60T16 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AE16400-16 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AFP2608T1616 (Aerofit, Llc) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-131-3820. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M224T16: Flow Angle: 60.0 DEGREES; Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE SECOND END. 19 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.