The Radiator,engine Coolant, cataloged under National Stock Number 2930-00-353-6439, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Long Mfg Ltd. Government technical data includes 27 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-00-353-6439 |
| Primary Part Number | R3 |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Long Mfg Ltd |
| Status | ACTIVE |
| Tank Height | 4.000 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Height | 3.250 INCHES NOMINAL FIRST TANK LOWER IN |
| Core Width | 22.000 INCHES NOMINAL IN |
| Inlet Connection End Type | FLANGED |
| Filler Neck | INCLUDED |
| Core Height | 23.062 INCHES NOMINAL IN |
| Tank Quantity | 1 FIRST TANK LOWER |
| Tank Quantity | 1 2D TANK UPPER |
| Outlet Connection End Quantity | 2 |
| Overall Thickness | 5.625 INCHES NOMINAL IN |
| Tank Thickness | 4.688 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Thickness | 4.688 INCHES NOMINAL FIRST TANK LOWER IN |
| Inlet Connection End Shape | OVAL |
| Tank Width | 22.000 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Width | 22.000 INCHES NOMINAL FIRST TANK LOWER IN |
| Inlet Connection End Quantity | 1 |
| Tank Location | LOWER FIRST TANK LOWER |
| Tank Location | UPPER 2D TANK UPPER |
| Mounting Feature | INCLUDED |
| Valve Casing | NOT INCLUDED |
| Fan Shroud | INCLUDED |
| Core Type | TUBE |
| Filler Neck Quantity | 1 |
| Outlet Connection End Shape | OVAL |
| Core Thickness | 4.500 INCHES NOMINAL IN |
| Core Quantity | 1 |
| Outlet End Connection Type | FLANGED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R3 PRIMARY | Long Mfg Ltd (CAN) |
NSN 2930-00-353-6439 is a Radiator,engine Coolant, manufactured by Long Mfg Ltd, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-353-6439 has 1 manufacturer part number on file: R3 (Long Mfg Ltd).
Key specifications for R3: Tank Height: 4.000 INCHES NOMINAL 2D TANK UPPER IN; Tank Height: 3.250 INCHES NOMINAL FIRST TANK LOWER IN; Overall Height: 30.625 INCHES NOMINAL IN; Core Width: 22.000 INCHES NOMINAL IN. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.