The Elbow,tube, cataloged under National Stock Number 4730-01-033-2379, 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 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-033-2379 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | SOCKET BRAZING RING (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | QQ-A-596,356 T6,COM+3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.410 INCHES MINIMUM AND 1.470 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Thread Quantity Per Inch | 16 SECOND END |
| Material | ALUMINUM ALLOY 356.0 OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| 124P321-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 124P321-3F2 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
| 124P321-3F2 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 4730-01-033-2379 is a Elbow,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-033-2379: Flow Angle: 90.0 DEGREES; Connection Style: SOCKET BRAZING RING (TUBE) FIRST END; Connection Style: FLARED (TUBE) SECOND END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END. 12 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.