The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-277-2736, 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 The Boeing Company Div Defense. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-277-2736 |
| Primary Part Number | 68A580888-1003 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Flow Angle | 2.3 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | SHOULDERED (GASKET) (TUBE) FIRST END |
| Nominal Length | 6.400 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 5.140 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 3.000 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.000 INCHES NOMINAL SECOND END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Nominal Width | 6.140 INCHES SECOND END IN |
| Material | ALUMINUM ALLOY OVERALL |
| Nominal Thickness | 0.250 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 68A580888-1003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4730-01-277-2736 is a Elbow,flange to Tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-277-2736 has 1 manufacturer part number on file: 68A580888-1003 (The Boeing Company Div Defense).
Key specifications for 68A580888-1003: Flange Shape: OVAL WITH HOLES SECOND END; Flow Angle: 2.3 DEGREES; Flange Face Design: PLAIN SECOND END; Connection Style: SHOULDERED (GASKET) (TUBE) FIRST END. 15 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.
NSN 4730-01-277-2736 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.