The Radiator,engine Coolant, cataloged under National Stock Number 2930-00-125-8993, 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 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2930-00-125-8993 |
| Primary Part Number | RH02651 |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Long Mfg Ltd |
| Status | ACTIVE |
| Tank Height | 3.500 INCHES NOMINAL FIRST TANK LOWER IN |
| Tank Height | 4.750 INCHES NOMINAL 2D TANK UPPER IN |
| Core Width | 24.500 INCHES NOMINAL IN |
| Filler Neck | INCLUDED |
| Core Height | 24.500 INCHES NOMINAL IN |
| Tank Quantity | 1 FIRST TANK LOWER |
| Tank Quantity | 1 2D TANK UPPER |
| Mounting Method | FLANGE SIDE |
| Outlet Connection End Quantity | 1 |
| Overall Thickness | 7.750 INCHES NOMINAL IN |
| Tank Thickness | 4.500 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Thickness | 5.000 INCHES NOMINAL FIRST TANK LOWER IN |
| Tank Width | 25.000 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Width | 26.000 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 |
| Coolant Level Elbow Check Valve | NOT INCLUDED |
| Core Type | PLATE FIN |
| Filler Neck Quantity | 1 |
| Core Thickness | 3.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY TANK SECOND TANK LOWER |
| Material | COPPER ALLOY TANK FIRST TANK UPPER |
| Core Quantity | 1 |
| Furnished Items and Quantity | RADIATOR CAP 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 |
|---|---|
| RH02651 PRIMARY | Long Mfg Ltd (CAN) |
| 7-726-000031 | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| 29-2651 | C/1 Advisory reference — outside the item-of-supply concept Long Mfg Ltd |
NSN 2930-00-125-8993 is a Radiator,engine Coolant, manufactured by Long Mfg Ltd, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-125-8993 has 2 manufacturer part numbers on file: RH02651 (Long Mfg Ltd), 7-726-000031 (Grove U.s. Llc Dba Grove Us Llc).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-331-8984. Verify interchangeability with system specifications before substitution.
Key specifications for RH02651: Tank Height: 3.500 INCHES NOMINAL FIRST TANK LOWER IN; Tank Height: 4.750 INCHES NOMINAL 2D TANK UPPER IN; Overall Height: 34.000 INCHES NOMINAL IN; Core Width: 24.500 INCHES NOMINAL IN. 28 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.