The Radiator,engine Coolant, cataloged under National Stock Number 2930-01-363-3097, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is John Boyd Enterprises Inc Dba J B Enterprises Div Jb Radiator Specialties, Inc. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2930-01-363-3097 |
| Primary Part Number | RS-2174 |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | John Boyd Enterprises Inc Dba J B Enterprises Div Jb Radiator Specialties, Inc |
| Status | ACTIVE |
| Tank Height | 3.000 INCHES NOMINAL SECOND TANK LOWER IN |
| Tank Height | 3.000 INCHES NOMINAL FIRST TANK UPPER IN |
| Core Width | 20.250 INCHES NOMINAL IN |
| Inlet Connection End Type | PLAIN |
| Filler Neck | INCLUDED |
| Core Height | 20.250 INCHES NOMINAL IN |
| Tank Quantity | 1 SECOND TANK LOWER |
| Tank Quantity | 1 FIRST TANK UPPER |
| Mounting Method | STUD(S) BOTTOM |
| Outlet Connection End Quantity | 2 |
| Overall Thickness | 9.250 INCHES NOMINAL IN |
| Tank Thickness | 5.000 INCHES NOMINAL FIRST TANK UPPER IN |
| Tank Thickness | 5.000 INCHES NOMINAL SECOND TANK LOWER IN |
| Inlet Connection End Shape | ROUND |
| Tank Width | 21.000 INCHES NOMINAL FIRST TANK UPPER IN |
| Tank Width | 21.000 INCHES NOMINAL SECOND TANK LOWER IN |
| Inlet Connection End Quantity | 1 |
| Tank Location | UPPER FIRST TANK UPPER |
| Tank Location | LOWER SECOND TANK LOWER |
| Mounting Feature | INCLUDED |
| Fan Shroud | INCLUDED |
| Filler Neck Quantity | 1 |
| Outlet Connection End Shape | ROUND |
| Core Thickness | 2.625 INCHES NOMINAL IN |
| Core Quantity | 1 |
| Outlet End Connection Type | PLAIN |
| 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 |
|---|---|
| RS-2174 PRIMARY | John Boyd Enterprises Inc Dba J B Enterprises Div Jb Radiator Specialties, Inc (USA) |
| 8909A238-001 | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 8909A238-001 | 5/9 Secondary reference Entwistle Co the Defense Technology Div |
NSN 2930-01-363-3097 is a Radiator,engine Coolant, manufactured by John Boyd Enterprises Inc Dba J B Enterprises Div Jb Radiator Specialties, Inc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-363-3097 has 2 manufacturer part numbers on file: RS-2174 (John Boyd Enterprises Inc Dba J B Enterprises Div Jb Radiator Specialties, Inc), 8909A238-001 (The Entwistle Company Llc).
Key specifications for RS-2174: Tank Height: 3.000 INCHES NOMINAL SECOND TANK LOWER IN; Tank Height: 3.000 INCHES NOMINAL FIRST TANK UPPER IN; Core Width: 20.250 INCHES NOMINAL IN; Inlet Connection End Type: PLAIN. 26 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.