The Radiator,engine Coolant, cataloged under National Stock Number 2930-01-284-6944, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Thermal Engineering International (usa) Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2930-01-284-6944 |
| Primary Part Number | R7739-B |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Thermal Engineering International (usa) Inc. |
| Status | ACTIVE |
| Filler Neck | INCLUDED |
| Tank Quantity | 1 SINGLE TANK CENTER |
| Mounting Feature | NOT INCLUDED |
| Valve Casing | NOT INCLUDED |
| Fan Shroud | NOT INCLUDED |
| Coolant Level Elbow Check Valve | NOT INCLUDED |
| Filler Neck 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 |
|---|---|
| R7739-B PRIMARY | Thermal Engineering International (usa) Inc. (USA) |
| Reference | Meaning |
|---|---|
| R7739-B | 5/9 Secondary reference Thermal Engineering International Usa Inc |
| 111-505 | 5/2 Secondary reference U.S. Government activity |
NSN 2930-01-284-6944 is a Radiator,engine Coolant, manufactured by Thermal Engineering International (usa) Inc., classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-284-6944 has 1 manufacturer part number on file: R7739-B (Thermal Engineering International (usa) Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-466-6056. Verify interchangeability with system specifications before substitution.
Key specifications for R7739-B: Filler Neck: INCLUDED; Tank Quantity: 1 SINGLE TANK CENTER; Mounting Feature: NOT INCLUDED; Valve Casing: NOT INCLUDED. 7 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.