The Adapter,coupling, cataloged under National Stock Number 1650-00-157-3697, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-157-3697 |
| Primary Part Number | 65651-11058-101 |
| Item Name | Adapter,coupling |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMIMUM ALLOY; 2.125 IN. LG; 3.517 IN. DIA; W/NUMEROUS HOLES AND SLOTS,ALSO SPECIAL MARKINGS,FOLD AND UNFOLD IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 65651-11058-101 | Richard Manufacturing Co., Inc. Dba Richard Manufacturing Co Inc (USA) |
| 65651-11058-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65651-11058 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65651-11058-101 | 5/9 Secondary reference Macor Inc |
NSN 1650-00-157-3697 is a Adapter,coupling, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-157-3697 has 2 manufacturer part numbers on file: 65651-11058-101 (Richard Manufacturing Co., Inc. Dba Richard Manufacturing Co Inc), 65651-11058-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65651-11058-101: General Characteristics Item Description: ALUMIMUM ALLOY; 2.125 IN. LG; 3.517 IN. DIA; W/NUMEROUS HOLES AND SLOTS,ALSO SPECIAL MARKINGS,FOLD AND UNFOLD IN. 1 specification is 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 1650-00-157-3697 has DEMIL Code B. 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.