The Coupling,hose,fire Fighting, cataloged under National Stock Number 4210-01-375-0239, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Unex Corp Div Hytorc Division Unex Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-375-0239 |
| Primary Part Number | 090156 2J479 |
| Item Name | Coupling,hose,fire Fighting |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Unex Corp Div Hytorc Division Unex Corporation |
| Status | ACTIVE |
| Operating Pressure | 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| 090156 2J479 PRIMARY | Unex Corp Div Hytorc Division Unex Corporation (USA) |
| Reference | Meaning |
|---|---|
| 090156 | 5/9 Secondary reference Torc Tec Calibrations, Inc |
| 523846-090156 | D/9 Drawing number reference only U.S. Government activity |
NSN 4210-01-375-0239 is a Coupling,hose,fire Fighting, manufactured by Unex Corp Div Hytorc Division Unex Corporation, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-375-0239 has 1 manufacturer part number on file: 090156 2J479 (Unex Corp Div Hytorc Division Unex Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-450-4274. Verify interchangeability with system specifications before substitution.
Key specifications for 090156 2J479: Operating Pressure: 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE; Part Name Assigned by Controlling Agency: 10K PSI FEMALE COUPLER; End Item Identification: TOOL, HYDRAULIC TORQUE WRENCH FOR STEAM CATAPULTS. 3 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.