The Swing Joint,pipe to Tube, cataloged under National Stock Number 4730-00-258-1998, 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 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-258-1998 |
| Item Name | Swing Joint,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.234 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Style Designator | SINGLE JOINT, DOUBLE ELBOW DESIGN |
| Material Document and Classification | QQ-A-601,359-T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 5.000 INCHES FIRST END IN |
| Leg Length | 5.000 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 4.000 INCHES SECOND END IN |
| Bearing Type | ANNULAR BALL, NONREMOVABLE |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | NPT SECOND 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 |
|---|---|
| 3640V0B40 | 3/9 Design control — primary reference U.S. Government activity |
| 6687-044 | 5/9 Secondary reference Gny Equipment, Inc. |
| 3640V0B40 | C/1 Advisory reference — outside the item-of-supply concept Dover Fluid Management, Inc. Div Dover Resources Inc. |
| 3640V0B40 | 5/9 Secondary reference Gny Equipment, Inc. |
NSN 4730-00-258-1998 is a Swing Joint,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-258-1998: Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.234 INCHES FIRST END IN; Connection Type: THREADED INTERNAL PIPE SECOND END. 13 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.