The Radiator,engine Coolant, cataloged under National Stock Number 2930-00-657-6217, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2930-00-657-6217 |
| Primary Part Number | 6576217 |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Tank Height | 2.938 INCHES NOMINAL SECOND TANK LOWER2.938 INCHES NOMINAL SECOND TANK LOWER IN |
| Tank Height | 4.781 INCHES NOMINAL FIRST TANK UPPER4.781 INCHES NOMINAL FIRST TANK UPPER IN |
| FSC Application Data | ENGINE,NON-AIRCRAFTENGINE,NON-AIRCRAFT |
| Core Width | 23.000 INCHES NOMINAL23.000 INCHES NOMINAL IN |
| Inlet Connection End Type | FLANGEDFLANGED |
| Filler Neck | INCLUDEDINCLUDED |
| Core Height | 23.000 INCHES NOMINAL23.000 INCHES NOMINAL IN |
| Tank Quantity | 1 FIRST TANK UPPER1 FIRST TANK UPPER |
| Tank Quantity | 1 SECOND TANK LOWER1 SECOND TANK LOWER |
| Mounting Method | FLANGE SIDEFLANGE SIDE |
| Outlet Connection End Quantity | 11 |
| Overall Thickness | 7.500 INCHES NOMINAL7.500 INCHES NOMINAL IN |
| Tank Thickness | 7.500 INCHES NOMINAL FIRST TANK UPPER7.500 INCHES NOMINAL FIRST TANK UPPER IN |
| Tank Thickness | 7.500 INCHES NOMINAL SECOND TANK LOWER7.500 INCHES NOMINAL SECOND TANK LOWER IN |
| Inlet Connection End Shape | ROUNDROUND |
| Core Material and Location | COPPER OVERALLCOPPER OVERALL |
| Tank Width | 23.000 INCHES NOMINAL FIRST TANK UPPER23.000 INCHES NOMINAL FIRST TANK UPPER IN |
| Tank Width | 23.000 INCHES NOMINAL SECOND TANK LOWER23.000 INCHES NOMINAL SECOND TANK LOWER IN |
| Inlet Connection End Quantity | 11 |
| Tank Location | LOWER SECOND TANK LOWERLOWER SECOND TANK LOWER |
| Tank Location | UPPER FIRST TANK UPPERUPPER FIRST TANK UPPER |
| Mounting Feature | INCLUDEDINCLUDED |
| Valve Casing | NOT INCLUDEDNOT INCLUDED |
| Fan Shroud | NOT INCLUDEDNOT INCLUDED |
| Coolant Level Elbow Check Valve | NOT INCLUDEDNOT INCLUDED |
| Core Type | TUBE AND TUBE AND PLATE FIN LOCATION NOT OTHERWISE SPECIFIEDPLATE FIN LOCATION NOT OTHERWISE SPECIFIED |
| Filler Neck Quantity | 11 |
| Outlet Connection End Shape | ROUNDROUND |
| 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 |
|---|---|
| 6576217 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3118023 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| 3118023 | 5/9 Secondary reference General Motors Corp |
| 3118023 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 2930-00-657-6217 is a Radiator,engine Coolant, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-657-6217 has 1 manufacturer part number on file: 6576217 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-907-4117. Verify interchangeability with system specifications before substitution.
Key specifications for 6576217: Tank Height: 2.938 INCHES NOMINAL SECOND TANK LOWER2.938 INCHES NOMINAL SECOND TANK LOWER IN; Tank Height: 4.781 INCHES NOMINAL FIRST TANK UPPER4.781 INCHES NOMINAL FIRST TANK UPPER IN; Overall Height: 31.094 INCHES MINIMUM AND 31.094 INCHES MINIMUM AND 31.344 INCHES MAXIMUM31.344 INCHES MAXIMUM IN; FSC Application Data: ENGINE,NON-AIRCRAFTENGINE,NON-AIRCRAFT. 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.