# NSN 4820-00-134-4475: Valve, Lift-Check

NSN 4820-00-134-4475 (also written 4820001344475; NIIN 00-134-4475) is a valve, lift-check in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-00-134-4475 (4820001344475)
- NIIN: 00-134-4475 (001344475)
- Item name: VALVE,LIFT-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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-13)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AZGM | MOUNTING FACILITY | BRACKET(S) |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 275.0 |
| ADSU | DISK LOADING METHOD | SPRING |
| MATT | MATERIAL | BODY ALUMINUM ALLOY 2024 |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL COMP 440A |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE HYDRAULIC FLUID, MINERAL BASE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| CWDD | CENTER TO CENTER DISTANCE | INCHES 1.500 |
| AWLS | CONNECTION TYPE | FIRST END THREADED INTERNAL BOSS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| AAJD | THREAD CLASS | 3B |
| AHNC | CONNECTION STYLE | — |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSR | BONNET TYPE | INSIDE SCREW |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| AAJF | THREAD DIRECTION | FIRST END RIGHT-HAND |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.437 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2C9146-1 | 99240 | CRISSAIR INC DIV ESCO TECHNOLOGIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0337 | 5 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820001344475&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820001344475&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820001344475
- 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/4820-00-134-4475/
JSON: https://nsnexplorer.com/api/nsn/4820-00-134-4475.json