The Cooling Assembly, cataloged under National Stock Number 4140-01-345-3558, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-345-3558 |
| Primary Part Number | 20003049G1 |
| Item Name | Cooling Assembly |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDES PLENUM ASSEMBLY,P/N 20003048G1 AND TUBEAXIAL FAN,P/N 20003046P1; OVERALL LENGTH 9.600 IN. IN |
| 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 |
|---|---|
| 20003049G1 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 20003049G1 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Simulation Training & Support |
NSN 4140-01-345-3558 is a Cooling Assembly, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-345-3558 has 1 manufacturer part number on file: 20003049G1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 20003049G1: General Characteristics Item Description: INCLUDES PLENUM ASSEMBLY,P/N 20003048G1 AND TUBEAXIAL FAN,P/N 20003046P1; OVERALL LENGTH 9.600 IN. IN. 1 specification is 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.