The Cooler,fluid,transmission, cataloged under National Stock Number 3040-01-544-0150, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rocore Thermal Systems. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Cooler,fluid,transmission |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Np Aerospace Limited (CAGE U7887); General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8); Rocore Thermal Systems (CAGE 1HFQ6) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-544-0150 |
| Primary Part Number | 3-1358B |
| Item Name | Cooler,fluid,transmission |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rocore Thermal Systems |
| 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 |
|---|---|
| 54043-000 | Np Aerospace Limited (GBR) |
| 1000881 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| 3-1358B PRIMARY | Rocore Thermal Systems (USA) |
| Reference | Meaning |
|---|---|
| 3-1358B | 5/9 Secondary reference Rocore Industries, Inc. |
NSN 3040-01-544-0150 is a Cooler,fluid,transmission, manufactured by Rocore Thermal Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-544-0150 has 3 manufacturer part numbers on file: 54043-000 (Np Aerospace Limited), 1000881 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 3-1358B (Rocore Thermal Systems).
1 possible match (shared part number, not a government interchangeability claim): 7690-01-651-0518. Verify interchangeability with system specifications before substitution.
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.