The Elbow,tube, cataloged under National Stock Number 4730-01-139-5178, 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 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-139-5178 |
| Primary Part Number | D11054AE04 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | DMCPS1011 MFR REF 1ST TREATMENT RESPONSE AND DMCPS1009 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | SWAGED W/ GROOVES (TUBE) FIRST END |
| Criticality Code Justification | FEAT |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | AMS4921 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 1.180 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.211 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.437 INCHES SECOND END IN |
| Nominal Thread Size | 0.437 INCHES SECOND END BULKHEAD IN |
| Surface Treatment | PHOSPHATE FLUORIDE AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Thread Class | 3A SECOND END BULKHEAD A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 24 SECOND END |
| Thread Quantity Per Inch | 24 SECOND END BULKHEAD |
| Material | TITANIUM 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 | Y |
| Part Number | Manufacturer |
|---|---|
| D11054AE04 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| H11054AE04 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AC1062T04 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| ST7M436T4 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10108731 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| H11054AE04 | 5/9 Secondary reference Stanley Harrison Corporation |
| ST7M436 | D/9 Drawing number reference only The Boeing Company Div Defense |
| D11054AE4 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| LD82000E04 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4730-01-139-5178 is a Elbow,tube, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-139-5178 has 4 manufacturer part numbers on file: D11054AE04 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), H11054AE04 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AC1062T04 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), ST7M436T4 (The Boeing Company Div Defense).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-181-1895, 4730-01-181-1896, 4730-01-184-4167. Verify interchangeability with system specifications before substitution.
Key specifications for D11054AE04: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: DMCPS1011 MFR REF 1ST TREATMENT RESPONSE AND DMCPS1009 MFR REF 2ND TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: SWAGED W/ GROOVES (TUBE) FIRST END. 21 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.