# NSN 4820-00-061-7878: Valve, Check

NSN 4820-00-061-7878 (also written 4820000617878; NIIN 00-061-7878) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 9 manufacturer part numbers from 7 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-061-7878 (4820000617878)
- NIIN: 00-061-7878 (000617878)
- 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: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UN |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 0.750 |
| STYL | STYLE DESIGNATOR | — |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| CQRB | SEAT ANGLE | ALL ENDS DEGREES 37.0 |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| AHNC | CONNECTION STYLE | — |
| SFTT | SURFACE TREATMENT | ANODIZE |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED EXTERNAL TUBE |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 1.500 |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| AEHZ | MAXIMUM OPERATING TEMP | FIRST RESPONSE FAHRENHEIT -65.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SECOND RESPONSE FAHRENHEIT 275.0 |
| MATT | MATERIAL | SEAT ALUMINUM ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1112-589994 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1112-599317 | 3H889 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1112-599317 | 45681 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1112-599317 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 128SC-H135-12 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 128SC-H135-12 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2C5012 | 99240 | CRISSAIR INC DIV ESCO TECHNOLOGIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 79F903526-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7M92-12D | 76301 | THE BOEING COMPANY DIV DEFENSE | [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=4820000617878&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820000617878
- 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/4820-00-061-7878/
JSON: https://nsnexplorer.com/api/nsn/4820-00-061-7878.json