# NSN 4820-01-158-8444: Seat, Valve

NSN 4820-01-158-8444 (also written 4820011588444; NIIN 01-158-8444) is a seat, valve 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: 4820-01-158-8444 (4820011588444)
- NIIN: 01-158-8444 (011588444)
- Item name: SEAT,VALVE
- 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 | 2A |
| AASA | THREAD LENGTH | SINGLE THREADED PORTION INCHES NOMINAL 0.332 |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 4.872 |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 3.900 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES NOMINAL 0.275 |
| AJRM | UNDER FLANGE HEIGHT | INCHES NOMINAL 0.500 |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | SINGLE THREADED PORTION INCHES 4.500 |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | SEAT NICKEL ALLOY |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | SINGLE THREADED PORTION UN |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NB0102D0400 PIECE 2 | 11859 | HUNT VALVE COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NB0102D0400 PIECE 2 | 30263 | PIMA VALVE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-15 | $1,835.96 | 1 | CHAND, L.L.C. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011588444) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-15 | [SPE7M126V135Y](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011588444) | SEAT, VALVE | CHAND, L.L.C. | $1,835.96 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820011588444&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011588444
- 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/4820-01-158-8444/
JSON: https://nsnexplorer.com/api/nsn/4820-01-158-8444.json