The Cross,tube, cataloged under National Stock Number 4730-00-439-2937, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-439-2937 |
| Primary Part Number | 2-02521FPNMM |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Connection Style | FLARELESS (TUBE) THIRD END |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES THIRD ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES SECOND ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST ENDUNABLE TO DECODE IN |
| Leg Length | 1.642 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.642 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.657 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Nominal Thread Size | 1.062 INCHES THIRD END IN |
| Nominal Thread Size | 1.312 INCHES SECOND END IN |
| Seat Angle | 12.0 DEGREES FIRST ENDUNABLE TO DECODE |
| Seat Angle | 12.0 DEGREES SECOND ENDUNABLE TO DECODE |
| Seat Angle | 12.0 DEGREES THIRD ENDUNABLE TO DECODE |
| Surface Treatment | CADMIUM OVERALLUNABLE TO DECODE |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Class | 3A THIRD END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 THIRD END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALLUNABLE TO DECODE |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | UN THIRD 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 |
|---|---|
| 2-02521FPNMM PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 4671128FPNMM | 5/9 Secondary reference U.S. Government activity |
| DLG003FPNMM | 5/9 Secondary reference Comp-Dec Inc |
| VSF1265FPNMM | 3/2 Design control — primary reference U.S. Government activity |
| STSPB003FPNMM | 7/2 Vendor item drawing reference U.S. Government activity |
| 4671128FPNMM | 5/9 Secondary reference Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn |
| GA7402FPNMM | 5/9 Secondary reference Globe Aerospace Inc |
NSN 4730-00-439-2937 is a Cross,tube, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-439-2937 has 1 manufacturer part number on file: 2-02521FPNMM (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 2-02521FPNMM: Connection Style: FLARELESS (TUBE) THIRD END; Connection Style: FLARELESS (TUBE) SECOND END; Connection Style: FLARELESS (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 29 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.