The Cross,tube, cataloged under National Stock Number 4730-00-005-8017, 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 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-005-8017 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (TUBE) ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FOURTH END IN |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES SECOND END IN |
| Leg Length | 0.250 INCHES NOMINAL FOURTH END IN |
| Leg Length | 0.250 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM FIRST END IN |
| Leg Length | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 0.190 INCHES SECOND END IN |
| Nominal Thread Size | 0.190 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES FOURTH END IN |
| Nominal Thread Size | 0.250 INCHES THIRD END IN |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Thread Class | 3B ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| A51P12508-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51P12508-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51P12508-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 4730-00-005-8017 is a Cross,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-005-8017: Connection Style: INVERTED FLARE (TUBE) ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES THIRD END IN; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FOURTH END IN. 17 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.