# NSN 4820-01-557-4926: Valve, Vent

NSN 4820-01-557-4926 (also written 4820015574926; NIIN 01-557-4926) is a valve, vent in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-557-4926 (4820015574926)
- NIIN: 01-557-4926 (015574926)
- Item name: VALVE,VENT
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | TOP ASSY 7380010; SSN774 PSA |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL PIPE |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 9100.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE, BLEED |
| FEAT | SPECIAL FEATURES | END CONNECTIONS: 1ST END SAE O-RING 1/2 IN 3/4-16; 2ND END BEVELED, OUT TO ATMOSPHERE; NHA 73580106 MOUNTING KIT, HEAT EXCHANGER |
| MATT | MATERIAL | BODY STEEL COMP 316 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7380106-19 | 90536 | LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS-BVST8 | 3T9T9 | SWAGELOK CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $137.96 | 11 | LARKOS PACKING AND DISTRIBUTION INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015574926) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7MC26V4583](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015574926) | VALVE, VENT | LARKOS PACKING AND DISTRIBUTION INC. | $1,517.56 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015574926&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015574926
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4820-01-557-4926/
JSON: https://nsnexplorer.com/api/nsn/4820-01-557-4926.json