The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-939-8652, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-939-8652 |
| Primary Part Number | 65307-03023-101 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT SECOND ENDUNABLE TO DECODE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDEUNABLE TO DECODE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDEUNABLE TO DECODE |
| Connection Style | GASKET SEAL (BOSS) INLET |
| Nominal Length | 2.188 INCHES SECOND END IN |
| Inlet Location | LOW HEEL SINGLE INLET |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS INLET |
| Material Document and Classification | AMS4260 ASSN STD SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.266 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST ENDUNABLE TO DECODE IN |
| Leg Length | 1.200 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.562 INCHES INLET IN |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.656 INCHES SECOND ENDUNABLE TO DECODE IN |
| Bolt Hole Quantity | 4 SECOND END |
| Surface Treatment | ANODIZE INSIDEUNABLE TO DECODE |
| Surface Treatment | ANODIZE OUTSIDEUNABLE TO DECODE |
| Nominal Width | 2.188 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.565 INCHES SECOND END IN |
| Thread Class | 3B INLET |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY OVERALLUNABLE TO DECODE |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UNF INLET |
| Raised Face Nominal Diameter | 1.460 INCHES SECOND ENDUNABLE TO DECODE 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 |
|---|---|
| 65307-03023-101 | Airbus Deutschland Gmbh -Werk Bremen- (DEU) |
| 65307-03023-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65307-03023 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4730-00-939-8652 is a Elbow,flange to Tube, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-939-8652 has 2 manufacturer part numbers on file: 65307-03023-101 (Airbus Deutschland Gmbh -Werk Bremen-), 65307-03023-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65307-03023-101: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT SECOND ENDUNABLE TO DECODE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDEUNABLE TO DECODE. 30 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 4730-00-939-8652 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.