# NSN 4210-01-551-4523: Head, Sprinkler, Fire Protection

NSN 4210-01-551-4523 (also written 4210015514523; NIIN 01-551-4523) is a head, sprinkler, fire protection in Federal Supply Class 4210, Fire Fighting Equipment. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4210-01-551-4523 (4210015514523)
- NIIN: 01-551-4523 (015514523)
- Item name: HEAD,SPRINKLER,FIRE PROTECTION
- Federal Supply Class: [FSC 4210 Fire Fighting Equipment](https://nsnexplorer.com/fsc/4210/)
- Federal Supply Group: [FSG 42](https://nsnexplorer.com/group/42/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| BXNX | FLOW CAPACITY AT SPECIFIED PRESSURE RATING | 55.0 GAL PER MIN AT 100 PSI |
| ARFH | CONNECTION THREAD LOCATION | EXTERNAL |
| MATT | MATERIAL | COPPER ALLOY |
| AGNJ | OPENING DIAMETER | INCHES NOMINAL 0.438 |
| AJGD | HEAD TYPE | SPRINKLER |
| AGAV | END ITEM IDENTIFICATION | MISC PARTS, DSS-SOC |
| ATGF | CONNECTION THREAD SERIES | NPT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NOZZLE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7383858-H6511402-F46M | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H547-0001-H6511402-F46M | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H651-1402-F46 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TF29-180-32 BRASS | 99134 | BETE FOG NOZZLE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-25 | $55.39 | 363 | 8CHB0 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4210015514523) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-25 | [SPE8E926V2439](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4210015514523) | HEAD, SPRINKLER, FIRE PROTECTION | — | $20,106.57 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4210015514523&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4210015514523
- 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/4210-01-551-4523/
JSON: https://nsnexplorer.com/api/nsn/4210-01-551-4523.json