The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-702-5062, 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 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-702-5062 |
| Primary Part Number | S6165-20555 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 0.894 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.151 INCHES MINIMUM AND 1.161 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | CADMIUM OUTSIDE |
| Surface Treatment | CADMIUM INSIDE |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF FIRST END |
| 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 |
| Part Number | Manufacturer |
|---|---|
| S6165-20555 | Hydro-Fitting Manufacturing Corporation (USA) |
| S6165-20555 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| S6165-20555 | 5/9 Secondary reference Van Waters and Rogers Inc |
| S6165-20555-000 | 5/1 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| S6165-20555 | 5/9 Secondary reference United Supply Co Inc |
NSN 4730-00-702-5062 is a Elbow,tube to Boss, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-702-5062 has 2 manufacturer part numbers on file: S6165-20555 (Hydro-Fitting Manufacturing Corporation), S6165-20555 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6165-20555: Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 18 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.