# NSN 1720-01-649-4035: Butterfly Valve, Main Hydraulic S

NSN 1720-01-649-4035 (also written 1720016494035; NIIN 01-649-4035) is a butterfly valve, main hydraulic s in Federal Supply Class 1720, Aircraft Launching Equipment. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 1720-01-649-4035 (1720016494035)
- NIIN: 01-649-4035 (016494035)
- Item name: BUTTERFLY VALVE,MAIN HYDRAULIC S
- Federal Supply Class: [FSC 1720 Aircraft Launching Equipment](https://nsnexplorer.com/fsc/1720/)
- Federal Supply Group: [FSG 17](https://nsnexplorer.com/group/17/)
- Acquisition method suffix code: AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BUTTERFLY VALVE MAIN HYDRAULIC SYSTEM |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| FEAT | SPECIAL FEATURES | INTERFACE CONTROL DRAWING |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 1.828 AND INCHES MAXIMUM 1.922 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 3.000 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 519536 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 519536-2 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1720016494035&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1720016494035
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/1720-01-649-4035/
JSON: https://nsnexplorer.com/api/nsn/1720-01-649-4035.json