The Cooling Subsystem, cataloged under National Stock Number 4130-01-581-1289, 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 Rockwell Collins Simulation & Training Solutions Llc Div Collins Aerospace - Mission Systems. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4130-01-581-1289 |
| Primary Part Number | 255340-100 |
| Item Name | Cooling Subsystem |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Rockwell Collins Simulation & Training Solutions Llc Div Collins Aerospace - Mission Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 255340-100 PRIMARY | Rockwell Collins Simulation & Training Solutions Llc Div Collins Aerospace - Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 255340-100 | 5/9 Secondary reference Evans & Sutherland Computer Corp |
NSN 4130-01-581-1289 is a Cooling Subsystem, manufactured by Rockwell Collins Simulation & Training Solutions Llc Div Collins Aerospace - Mission Systems, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-581-1289 has 1 manufacturer part number on file: 255340-100 (Rockwell Collins Simulation & Training Solutions Llc Div Collins Aerospace - Mission Systems).
Key specifications for 255340-100: Special Features: SIMULATION ITEM; Part Name Assigned by Controlling Agency: H-II COOLING SUBSYSTEM; End Item Identification: NIMROD MRA4. 0 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.
NSN 4130-01-581-1289 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.