The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-289-2387, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-289-2387 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 FLARED SLEEVE AND 1 SHORT COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARED (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 | 0.625 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.640 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.230 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Maximum Operating Temp | 121.0 CELSIUS SINGLE RESPONSE DEGC |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Material | STEEL 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 | X |
| Reference | Meaning |
|---|---|
| MS51506A10 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| MS51506A10 | 5/1 Secondary reference U.S. Government activity |
| D32745 | 5/9 Secondary reference Komatsu America Corporation |
| 10DBTXS | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 10DBTXS | 5/9 Secondary reference U.S. Government activity |
| MS57506A-10 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MS51506A10 | 5/9 Secondary reference U.S. Government activity |
| 10DBTXS | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| 301SD662 | 5/9 Secondary reference Clark Equipment Co |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS51506A10 | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| MS51506A10 | 2/2 Government specification standardization U.S. Government activity |
| MS51506A10 | 5/9 Secondary reference U.S. Government activity |
| 9402905 | C/1 Advisory reference — outside the item-of-supply concept U S Army Tank Automotive Command Amsta-Im-Mm |
| 9402905 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp |
| 301SD662 | C/1 Advisory reference — outside the item-of-supply concept Dana Off Highway Products, Llc |
| MS51506A10 | 5/9 Secondary reference Imperial |
NSN 4730-00-289-2387 is a Elbow,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-00-764-9108. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-289-2387: Furnished Items and Quantity: 1 FLARED SLEEVE AND 1 SHORT COUPLING NUT; Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) 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.