# NSN 4820-00-791-7459: Cock, Poppet Drain

NSN 4820-00-791-7459 (also written 4820007917459; NIIN 00-791-7459) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-791-7459 (4820007917459)
- NIIN: 00-791-7459 (007917459)
- Item name: COCK,POPPET DRAIN
- 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 |
| --- | --- | --- |
| AHNC | CONNECTION STYLE | — |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.375 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY 1 |
| STYL | STYLE DESIGNATOR | — |
| CQRB | SEAT ANGLE | FIRST END DEGREES 37.0 |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.562 |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| SFTT | SURFACE TREATMENT | ANODIZE |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | FIRST END RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| CQQF | OPERATING PRESSURE | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 60.0 |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3-52928-3 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. DBA DEFENSE SYSTEMS SECTOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3-52928-3 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3-52928-3 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 740B-13 | 91511 | AUTO-VALVE, 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=4820007917459&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820007917459
- 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/4820-00-791-7459/
JSON: https://nsnexplorer.com/api/nsn/4820-00-791-7459.json