# NSN 4820-01-730-3757: Valve, Restrictor Check

NSN 4820-01-730-3757 (also written 4820017303757; NIIN 01-730-3757) is a valve, restrictor check in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-730-3757 (4820017303757)
- NIIN: 01-730-3757 (017303757)
- Item name: VALVE,RESTRICTOR 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 |
| --- | --- | --- |
| CWCF | FACE TO FACE DISTANCE | INCHES 1.10 |
| FEAT | SPECIAL FEATURES | PACKAGE PER HS7, CL 7B |
| ABVL | APERTURE DIAMETER | INCHES MAXIMUM 0.38 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | RESTRICTOR VALVE |
| AGAV | END ITEM IDENTIFICATION | F16 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 33-261503 | 81982 | HYDRO-AIRE AEROSPACE CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7M126V117D](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017303757) | VALVE, RESTRICTOR CH | — | $214,725.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820017303757&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017303757
- 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/4820-01-730-3757/
JSON: https://nsnexplorer.com/api/nsn/4820-01-730-3757.json