# NSN 4820-01-479-0988: Valve, Check

NSN 4820-01-479-0988 (also written 4820014790988; NIIN 01-479-0988) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-479-0988 (4820014790988)
- NIIN: 01-479-0988 (014790988)
- 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 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 2320-01-465-2174; 2320-01-465-2182 |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| ARKN | FLANGE SHAPE | ALL ENDS HEXAGON |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 5000.0 |
| CWCF | FACE TO FACE DISTANCE | INCHES 2.000 |
| CWCK | NOMINAL THICKNESS | ALL ENDS INCHES 0.690 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, CHECK 16 ORS-16 ORS |
| FEAT | SPECIAL FEATURES | BUNA-N NITRILE O-RING INCLUDED; 5.00 PSI CRACKING PRESSURE, 1.50 INCH WIDTH ACROSS HEXAGON FLATS |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | CHROMATE AND ZINC |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3271549 | 45152 | OSHKOSH CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3271549 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DT-1000-MSMS-05 | 93061 | PARKER-HANNIFIN CORP DIV FLUID SYSTEM CONNECTOR DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0544 | 38 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014790988&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014790988&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014790988
- 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/4820-01-479-0988/
JSON: https://nsnexplorer.com/api/nsn/4820-01-479-0988.json