# NSN 4210-00-255-0234: Siamese Connection, Fire Hose

NSN 4210-00-255-0234 (also written 4210002550234; NIIN 00-255-0234) is a siamese connection, fire hose in Federal Supply Class 4210, Fire Fighting Equipment. 13 manufacturer part numbers from 11 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4210-00-255-0234 (4210002550234)
- NIIN: 00-255-0234 (002550234)
- Item name: SIAMESE CONNECTION,FIRE HOSE
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | CLASS B AND TYPE XIV |
| CRHS | INLET NOMINAL THREAD SIZE | INCHES 2.500 |
| CBBL | FEATURES PROVIDED | ROCKER LUGS |
| ADQU | FLOW CONTROL DEVICE | BALL |
| ARTX | OUTLET THREAD SERIES DESIGNATOR | NPSH |
| CSJD | OUTLET NOMINAL THREAD SIZE | INCHES 1.500 |
| MATT | MATERIAL | COPPER ALLOY |
| CRTD | INLET THREAD SERIES DESIGNATOR | NH |
| BZSS | OUTLET CONNECTION TYPE AND QUANTITY | THREADED EXTERNAL HOSE 2 |
| BZSW | OUTLET THREAD QUANTITY PER INCH | 11.5 |
| BZSQ | INLET CONNECTION TYPE AND QUANTITY | THREADED INTERNAL HOSE 1 |
| BZSR | INLET THREAD QUANTITY PER INCH | 7.5 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 06-175 | 05646 | KIDDE FIRE FIGHTING INC DBA KIDDE FIRE FIGHTING DIV POWHATAN/AUTOMATIC SPRINKLER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 125 | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. DBA SERVICE BRASS FITTINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 13218E0469-9 | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. DBA SERVICE BRASS FITTINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 13218E0469-9 AS MODIFIED BY PID | 97403 | CECOM LR CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 17030 | F9061 | POK | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2481-00-1-1-95-012 | 06101 | UNITED STATES COAST GUARD YARD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4210PL1215182 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4M2439 | 02413 | KERSEY / AMERICAN LAFRANCE A DIV OF FIGGIE INTERNATIONAL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B-100-N | 20266 | ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B-4134 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-DTL-52404 | 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/) |
| MILC52404 | 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/) |
| S7337S-GSI | 32142 | HYDRASEARCH COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-03 | [SPE8E926D0001/SPE8E927F0022](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4210002550234) | SIAMESE CONNECTION, FIRE HOSE | ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY | $136,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4210002550234&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4210002550234
- 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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