The Reducer,hose,fire Fighting, cataloged under National Stock Number 4210-00-549-5015, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-00-549-5015 |
| Primary Part Number | EE34634 |
| Item Name | Reducer,hose,fire Fighting |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, GASKET SEAL (HOSE) FIRST END |
| Nominal Thread Size | 2.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.500 INCHES SECOND END IN |
| Departure From Cited Document | AS MODIFIED BY WRENCHING FACILITY TYPE WITH LONG HANDLES |
| Nondefinitive Spec/std Data | C JTY15 CLASS |
| Thread Quantity Per Inch | 9 SECOND END |
| Thread Quantity Per Inch | 7-1/2 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NH SECOND END |
| Thread Series Designator | NH FIRST END |
| Reducer Type | CONCENTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EE34634 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| EE34634 | 5/9 Secondary reference Oshkosh Corp |
| 378-21-15-25 | 5/9 Secondary reference Oshkosh Corp |
| MILC52404 | 4/1 Identification reference U.S. Government activity |
NSN 4210-00-549-5015 is a Reducer,hose,fire Fighting, manufactured by Oshkosh Defense Llc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-00-549-5015 has 1 manufacturer part number on file: EE34634 (Oshkosh Defense Llc).
Key specifications for EE34634: Connection Style: SWIVEL NUT, GASKET SEAL (HOSE) FIRST END; Nominal Thread Size: 2.500 INCHES FIRST END IN; Nominal Thread Size: 1.500 INCHES SECOND END IN; Departure From Cited Document: AS MODIFIED BY WRENCHING FACILITY TYPE WITH LONG HANDLES. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.