The Fan,centrifugal, cataloged under National Stock Number 4140-01-667-7899, 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 Rms. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Lockheed Martin Corporation Div Rms (CAGE 03538); Lockheed Martin Australia Pty Ltd (CAGE Z0LD0) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-667-7899 |
| Primary Part Number | 77A565801P2-C100 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| 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 |
|---|---|
| 77A565801P2-C100 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 77A565801P2-C100 | Lockheed Martin Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 77A565801P2-C100 | 5/9 Secondary reference Lockheed Martin Australia Electronic Systems Pty Ltd |
| C11Z31Q-2CC | 5/1 Secondary reference Ashland Electric Products Inc |
NSN 4140-01-667-7899 is a Fan,centrifugal, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-667-7899 has 2 manufacturer part numbers on file: 77A565801P2-C100 (Lockheed Martin Corporation Div Rms), 77A565801P2-C100 (Lockheed Martin Australia Pty Ltd).
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.