The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-113-1791, 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 Sae International Dba Sae International. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-113-1791 |
| Primary Part Number | SAE J246 4-2 100203BA |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.690 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.520 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 20.0 DEGREES FIRST END |
| Specification/standard Data | 81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 7C FIGURE |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UNS 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 |
|---|---|
| SAE J246 4-2 100203BA PRIMARY | Sae International Dba Sae International (USA) |
| 1640880 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| SW26264 | 5/2 Secondary reference U.S. Government activity |
| 4-2 100203BA | 3/9 Design control — primary reference U.S. Government activity |
| 270NTA-4-2 | 5/1 Secondary reference U.S. Government activity |
| 13950H | 5/1 Secondary reference International Trucks Australia Limited |
| 270NTA-4-2 | 5/9 Secondary reference U.S. Government activity |
| 4-470-F-04X2 | 5/9 Secondary reference Imperial |
| SAE-J246 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 1470X4 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 283134 | 5/1 Secondary reference Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
| J246 | 5/9 Secondary reference Sae International Dba Sae International |
| 4-2 100203BA | 5/1 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 1470X4 | 5/1 Secondary reference Danfoss Power Solutions II, Llc |
| 003541V001 | 5/1 Secondary reference Kovatch Corp. |
| SAE J246 4-2 100203BA | 5/9 Secondary reference U.S. Government activity |
| 1640880 | 5/9 Secondary reference Oshkosh Corp |
| J246 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-113-1791 is a Elbow,pipe to Tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-113-1791 has 2 manufacturer part numbers on file: SAE J246 4-2 100203BA (Sae International Dba Sae International), 1640880 (Oshkosh Defense Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-194-9645, 6750-01-427-2987. Verify interchangeability with system specifications before substitution.
Key specifications for SAE J246 4-2 100203BA: Flow Angle: 90.0 DEGREES; Connection Style: FLARELESS (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED EXTERNAL 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.