# NSN 4820-01-123-6492: Valve, Check

NSN 4820-01-123-6492 (also written 4820011236492; NIIN 01-123-6492) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-123-6492 (4820011236492)
- NIIN: 01-123-6492 (011236492)
- Item name: VALVE,CHECK
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| ADZH | RENEWABLE SEAT RING TYPE | BONDED |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 5.0 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY 6061 |
| MATT | MATERIAL | SEAT ALUMINUM ALLOY 6061 |
| MATT | MATERIAL | FLOW CONTROL DEVICE ALUMINUM ALLOY 6061 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 8 ALLOY 6061 T6 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 8 ALLOY 6061 T6 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 8 ALLOY 6061 T6 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY 1 |
| STYL | STYLE DESIGNATOR | — |
| SUPP | SUPPLEMENTARY FEATURES | RD24717-1 REPLACES RD24717; SPRING,RD24727 CH TO RD24727-01 UPDATING THE T55-L-11 LUBE AND SCA PUMP,RR35340B,FROM 1-3 TO 3-5 PSI |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| RD24717-1 | 51663 | HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC | [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=4820011236492&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011236492
- 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/4820-01-123-6492/
JSON: https://nsnexplorer.com/api/nsn/4820-01-123-6492.json