The Housing,centrifugal Fan, cataloged under National Stock Number 4140-01-525-7230, 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 Real-Time Laboratories, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Housing,centrifugal Fan |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Real-Time Laboratories, Llc (CAGE 62319); Maven Engineering Corporation (CAGE 46YF5); Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-525-7230 |
| Primary Part Number | 106600180 |
| Item Name | Housing,centrifugal Fan |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Real-Time Laboratories, Llc |
| 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 |
|---|---|
| 106600180 | Real-Time Laboratories, Llc (USA) |
| 106600180 | Maven Engineering Corporation (USA) |
| 6431107 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6431107 | 5/9 Secondary reference Bae Systems Survivability Systems Llc |
| 106600031 | 3/2 Design control — primary reference U.S. Government activity |
| 6431107-01M1 | D/9 Drawing number reference only Real-Time Laboratories, Llc |
| 6431107 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Land & Armaments L.p. |
NSN 4140-01-525-7230 is a Housing,centrifugal Fan, manufactured by Real-Time Laboratories, Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-525-7230 has 3 manufacturer part numbers on file: 106600180 (Real-Time Laboratories, Llc), 106600180 (Maven Engineering Corporation), 6431107 (Amz Alabama Inc.).
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.