The Radiator,engine Coolant, cataloged under National Stock Number 2930-01-164-0118, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Api Heat Transfer Thermasys Corporation. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-01-164-0118 |
| Primary Part Number | 642B |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Api Heat Transfer Thermasys Corporation |
| Status | ACTIVE |
| Tank Height | 3.500 INCHES NOMINAL FIRST TANK LOWER IN |
| Tank Height | 6.500 INCHES NOMINAL 2D TANK UPPER IN |
| Core Width | 31.250 INCHES NOMINAL IN |
| Filler Neck | INCLUDED |
| Core Height | 21.320 INCHES NOMINAL IN |
| Tank Quantity | 1 FIRST TANK LOWER |
| Tank Quantity | 1 2D TANK UPPER |
| Overall Thickness | 7.500 INCHES NOMINAL IN |
| Tank Thickness | 5.380 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Thickness | 5.380 INCHES NOMINAL FIRST TANK LOWER IN |
| Tank Width | 34.250 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Width | 34.250 INCHES NOMINAL FIRST TANK LOWER IN |
| Tank Location | LOWER FIRST TANK LOWER |
| Tank Location | UPPER 2D TANK UPPER |
| Core Type | CORRUGATED FIN |
| Filler Neck Quantity | 1 |
| Core Thickness | 4.500 INCHES NOMINAL IN |
| Material | STEEL TANK FIRST TANK LOWER |
| Material | STEEL TANK 2D TANK UPPER |
| Core Quantity | 1 |
| 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 |
|---|---|
| 52U191 | Morris Material Handling, Inc. (USA) |
| 642B PRIMARY | Api Heat Transfer Thermasys Corporation (USA) |
| Reference | Meaning |
|---|---|
| 642B | 3/9 Design control — primary reference Thermasys Corporation Dba General Thermo Dynamics Div General Thermodynamics Div |
NSN 2930-01-164-0118 is a Radiator,engine Coolant, manufactured by Api Heat Transfer Thermasys Corporation, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-164-0118 has 2 manufacturer part numbers on file: 52U191 (Morris Material Handling, Inc.), 642B (Api Heat Transfer Thermasys Corporation).
Key specifications for 642B: Tank Height: 3.500 INCHES NOMINAL FIRST TANK LOWER IN; Tank Height: 6.500 INCHES NOMINAL 2D TANK UPPER IN; Overall Height: 31.500 INCHES NOMINAL IN; Core Width: 31.250 INCHES NOMINAL IN. 20 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.