The Elbow,tube, cataloged under National Stock Number 4730-01-181-1896, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-181-1896 |
| Primary Part Number | ST7M436T6 |
| 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 | PLAIN (TUBE) SECOND END |
| Connection Style | SWAGED W/ GROOVES (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END BULKHEAD |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Leg Length | 1.300 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.392 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END BULKHEAD IN |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE AND PHOSPHATE FLUORIDE OVERALL |
| Thread Class | 3A SECOND END BULKHEAD A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 20 SECOND END |
| Thread Quantity Per Inch | 20 SECOND END BULKHEAD |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS SECOND END |
| Thread Series Designator | UNJS SECOND END BULKHEAD |
| 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 |
|---|---|
| D11054AE06 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| H11054AE06 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| ST7M436T6 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| H11054AE06 | 5/9 Secondary reference Stanley Harrison Corporation |
| LD82000E06 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| AC1062T06 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 10108875 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| D11054AE6 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| ST7M436 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-181-1896 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 4730-01-181-1896 has 3 manufacturer part numbers on file: D11054AE06 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), H11054AE06 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), ST7M436T6 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-184-4167. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M436T6: Flow Angle: 90.0 DEGREES; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: SWAGED W/ GROOVES (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE SECOND END BULKHEAD. 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.