The Cross,tube, cataloged under National Stock Number 4730-00-684-4864, 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 18 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-684-4864 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FOURTH END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Leg Length | 0.969 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.015 INCHES NOMINAL FOURTH END IN |
| Leg Length | 1.015 INCHES NOMINAL THIRD END IN |
| Leg Length | 2.337 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE INSIDE |
| Surface Treatment | ANODIZE OUTSIDE |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 4126-565774 | 3/2 Design control — primary reference U.S. Government activity |
| 92-79005-001 | 5/9 Secondary reference Bae Systems Technology Solutions & Services Inc. |
| 92-79005-001 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
| 92-79005-001 | 5/9 Secondary reference General Dynamics Corp Convair Div Lindbergh Field Facility |
| 4126-565774 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| 92-79005-001 | 5/9 Secondary reference Tracor Flight Systems Inc Sub of Tracor Inc |
NSN 4730-00-684-4864 is a Cross,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-684-4864: Connection Style: FLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES SECOND END IN. 18 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.