The Sleeve,mounting,fan, cataloged under National Stock Number 4140-01-246-2001, 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 Kooltronic, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-246-2001 |
| Primary Part Number | 900M |
| Item Name | Sleeve,mounting,fan |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Kooltronic, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | O/A DIM. 11.500 IN. DIA,2.375 IN. LG; FIVE 0.188 IN. DIA HOLES ON 10.375 IN. DIA BOLT CIRCLE 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 |
|---|---|
| 63B301904P1 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 900M PRIMARY | Kooltronic, Inc. (USA) |
NSN 4140-01-246-2001 is a Sleeve,mounting,fan, manufactured by Kooltronic, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-246-2001 has 2 manufacturer part numbers on file: 63B301904P1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 900M (Kooltronic, Inc.).
Key specifications for 900M: General Characteristics Item Description: O/A DIM. 11.500 IN. DIA,2.375 IN. LG; FIVE 0.188 IN. DIA HOLES ON 10.375 IN. DIA BOLT CIRCLE IN; End Item Identification: THIN FANS,KOOLTRONIC MODEL KB900. 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.