# NSN 4820-01-260-3293: Valve, Check

NSN 4820-01-260-3293 (also written 4820012603293; NIIN 01-260-3293) 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: 4820-01-260-3293 (4820012603293)
- NIIN: 01-260-3293 (012603293)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 250.0 |
| AHNC | CONNECTION STYLE | — |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | SECOND END THREADED INTERNAL BOSS |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 1.312 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 37.0 |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |
| MEDA | MEDIA FOR WHICH DESIGNED | SECOND RESPONSE GAS, NATURAL |
| MEDA | MEDIA FOR WHICH DESIGNED | FIRST RESPONSE AIR |
| MEDA | MEDIA FOR WHICH DESIGNED | THIRD RESPONSE WATER, FRESH |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT (UNJ) |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UN |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 249T1-16TB | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC | [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=4820012603293&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012603293
- 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/4820-01-260-3293/
JSON: https://nsnexplorer.com/api/nsn/4820-01-260-3293.json