The Heat Interchanger,refrigerant, cataloged under National Stock Number 4130-01-591-7775, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Red Dot Corporation Dba Red Dot Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Heat Interchanger,refrigerant |
| FSC / FSG | 4130 — Refrigeration and Air Conditioning Components (FSG 41) |
| Manufacturers | Red Dot Corporation Dba Red Dot Corp (CAGE 62534); General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8) |
| Parameter | Value |
|---|---|
| NSN | 4130-01-591-7775 |
| Primary Part Number | RD-4-5990-3 |
| Item Name | Heat Interchanger,refrigerant |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Red Dot Corporation Dba Red Dot Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| RD-4-5990-3 PRIMARY | Red Dot Corporation Dba Red Dot Corp (USA) |
| 10025837 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| Reference | Meaning |
|---|---|
| RD-4-5990 | D/9 Drawing number reference only Red Dot Corporation Dba Red Dot Corp |
NSN 4130-01-591-7775 is a Heat Interchanger,refrigerant, manufactured by Red Dot Corporation Dba Red Dot Corp, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-591-7775 has 2 manufacturer part numbers on file: RD-4-5990-3 (Red Dot Corporation Dba Red Dot Corp), 10025837 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp).
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.