# NSN 4820-00-855-6169: Valve, Relief, Pressure And Temper

NSN 4820-00-855-6169 (also written 4820008556169; NIIN 00-855-6169) is a valve, relief, pressure and temper in Federal Supply Class 4820, Valves, Nonpowered. 8 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-00-855-6169 (4820008556169)
- NIIN: 00-855-6169 (008556169)
- Item name: VALVE,RELIEF,PRESSURE AND TEMPER
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | INCHES 0.750 |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ABJH | TEMP RATING | FAHRENHEIT 210.0 |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| AAQL | BODY STYLE | — |
| ABFF | FURNISHED ITEMS | EMERGENCY OPENING DEVICE |
| AEVU | BULB LENGTH | INCHES NOMINAL 8.000 |
| AEVV | BULB DIAMETER | INCHES NOMINAL 0.250 |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| AZFX | TEMP CONTROL DEVICE TYPE | THERMOSTATIC |
| MATT | MATERIAL | BODY COPPER ALLOY 922 AND COPPER ALLOY 836 |
| MATT | MATERIAL | FLOW CONTROL DEVICE PLASTIC SILICONE |
| MATT | MATERIAL | SEAT COPPER ALLOY 922 AND COPPER ALLOY 836 |
| MATT | MATERIAL | STEM STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- B61 AND ASSN STD SINGLE MATERIAL RESPONSE AST- B62 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAT ASSN STD SINGLE MATERIAL RESPONSE AST- B61 AND ASSN STD SINGLE MATERIAL RESPONSE AST- B62 |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER, FRESH |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ACLT | SECOND END STYLE DESIGNATOR | — |
| ACMN | SECOND END NOMINAL PIPE SIZE ACCOMMODATED | INCHES 0.750 |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 1 AND CLASS 1 AND SIZE 130 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 40XL | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 40XL-8 PSI | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 40XL5M8 3-4-125 | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ANSI Z21.22 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M12 | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M8 | 79227 | WATTS REGULATOR COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-V-13612E | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILV13612 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-16 | $121.00 | 2 | 1N0P1 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820008556169) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-16 | [SPE7MC27P0200](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820008556169) | VALVE, RELIEF, PRESSURE AND TEMPERATURE | — | $242.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820008556169&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820008556169
- 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.

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