# NSN 4820-01-698-8646: Valve, Safety Relief

NSN 4820-01-698-8646 (also written 4820016988646; NIIN 01-698-8646) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-698-8646 (4820016988646)
- NIIN: 01-698-8646 (016988646)
- Item name: VALVE,SAFETY RELIEF
- 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 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE GP-RELIEF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 396-4900 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-13 | [SPE7M126P9660](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016988646) | VALVE, SAFETY RELIEF | OHIO MACHINERY CO DBA OHIO CAT | $280.16 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820016988646&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820016988646
- 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/4820-01-698-8646/
JSON: https://nsnexplorer.com/api/nsn/4820-01-698-8646.json