The Elbow,flange, cataloged under National Stock Number 4730-00-005-5510, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-005-5510 |
| Primary Part Number | A51P30105-5 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | PLAIN FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 4.312 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 3.812 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.281 INCHES FIRST END IN |
| Leg Length | 1.176 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.796 INCHES NOMINAL SECOND END IN |
| Nominal Outside Diameter | 4.000 INCHES SECOND END IN |
| Nominal Outside Diameter | 4.500 INCHES FIRST END IN |
| Bolt Hole Quantity | 6 FIRST END |
| Material | ALUMINUM OVERALL |
| Nominal Thickness | 0.188 INCHES FIRST END IN |
| Nominal Thickness | 0.094 INCHES SECOND END IN |
| 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 |
|---|---|
| A51P30105-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51P30105-5 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51P30105-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4730-00-005-5510 is a Elbow,flange, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-005-5510 has 1 manufacturer part number on file: A51P30105-5 (Northrop Grumman Systems Corporation).
Key specifications for A51P30105-5: Flange Shape: ROUND WITH HOLES FIRST END; Flange Shape: ROUND WITH HOLES SECOND END; Flow Angle: 45.0 DEGREES; Flange Face Design: PLAIN FIRST END. 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.