The Elbow,tube, cataloged under National Stock Number 4730-01-706-0320, 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 Northrop Grumman Systems Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-706-0320 |
| Primary Part Number | NGE510GP1620 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | ELBOW |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.00 INCHES FIRST END IN |
| Leg Length | 0.1537 INCHES MINIMUM AND 0.1837 INCHES MAXIMUM FIRST END IN |
| Leg Length | 2.960 INCHES MINIMUM AND 3.020 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.758 INCHES SECOND END IN |
| Surface Treatment | LUBRICANT DRY FILM BODY |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | TITANIUM ALLOY BODY |
| Material | TITANIUM ALLOY NUT |
| Thread Series Designator | UNJS FIRST 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 |
|---|---|
| NGE510GP1620 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| R51053T1620 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| NGE510GP | D/9 Drawing number reference only Northrop Grumman Systems Corp Integrated Systems Sector |
NSN 4730-01-706-0320 is a Elbow,tube, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-706-0320 has 2 manufacturer part numbers on file: NGE510GP1620 (Northrop Grumman Systems Corporation), R51053T1620 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-706-0474, 4730-01-706-0486, 4730-01-706-7324. Verify interchangeability with system specifications before substitution.
Key specifications for NGE510GP1620: Flow Angle: 90.0 DEGREES; Connection Type: UNTHREADED INTERNAL TUBE SECOND END; Connection Type: THREADED INTERNAL TUBE FIRST END; Style Designator: ELBOW. 16 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.