The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-142-8524, 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 Cummins Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-142-8524 |
| Primary Part Number | 68139 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 0.749 INCHES MINIMUM AND 0.811 INCHES MAXIMUM SECOND END IN |
| Leg Length | 0.779 INCHES MINIMUM AND 0.841 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Thread Class | 2A FIRST END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| CBU1212 | Leyland Trucks Ltd (for Spare Parts See U6425) (GBR) |
| A77512 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 68139 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 19-003-8007 | 6/9 Informative reference only Nato Stock Number Potential Interchangeability Link |
| 4730PL0816851 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10086225 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 68139 | 5/1 Secondary reference International Trucks Australia Limited |
| 032377T | C/1 Advisory reference — outside the item-of-supply concept Kovatch Corp. |
NSN 4730-01-142-8524 is a Elbow,pipe to Tube, manufactured by Cummins Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-142-8524 has 3 manufacturer part numbers on file: CBU1212 (Leyland Trucks Ltd (for Spare Parts See U6425)), A77512 (Cnh Industrial America Llc Dba Cnh America), 68139 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-289-7458. Verify interchangeability with system specifications before substitution.
Key specifications for 68139: Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Criticality Code Justification: FEAT. 16 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.