The Radiator,engine Coolant, cataloged under National Stock Number 2930-00-223-6908, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2930-00-223-6908 |
| Primary Part Number | 22-1964 |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Long Mfg Ltd |
| Status | ACTIVE |
| Tank Height | 19.812 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Height | 19.812 INCHES NOMINAL FIRST TANK LOWER IN |
| Core Width | 19.000 INCHES NOMINAL IN |
| Core Height | 16.250 INCHES NOMINAL IN |
| Tank Quantity | 1 FIRST TANK LOWER |
| Tank Quantity | 1 2D TANK UPPER |
| Tank Width | 2.250 INCHES NOMINAL 2D TANK UPPER IN |
| Tank Width | 2.250 INCHES NOMINAL FIRST TANK LOWER IN |
| Tank Location | LOWER FIRST TANK LOWER |
| Tank Location | UPPER 2D TANK UPPER |
| Core Thickness | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2930-00-223-6908 is a Radiator,engine Coolant, manufactured by Long Mfg Ltd, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-223-6908 has 2 manufacturer part numbers on file: 22-1964 (Long Mfg Ltd), RD1964 (Long Mfg Ltd).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-426-8359. Verify interchangeability with system specifications before substitution.
Key specifications for 22-1964: Tank Height: 19.812 INCHES NOMINAL 2D TANK UPPER IN; Tank Height: 19.812 INCHES NOMINAL FIRST TANK LOWER IN; Overall Height: 22.000 INCHES NOMINAL IN; Core Width: 19.000 INCHES NOMINAL IN. 11 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.