The Fan,tubeaxial, cataloged under National Stock Number 4140-01-420-9186, 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 Purdy William J Co Interfan Div. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-420-9186 |
| Primary Part Number | MM235-115-6B |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Purdy William J Co Interfan Div |
| Status | ACTIVE |
| Length | 2.100 INCHES NOMINAL IN |
| Housing Inside Diameter | 6.700 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 200.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| MM235-115-6B PRIMARY | Purdy William J Co Interfan Div (USA) |
| Reference | Meaning |
|---|---|
| 020-001319-001 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
NSN 4140-01-420-9186 is a Fan,tubeaxial, manufactured by Purdy William J Co Interfan Div, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-420-9186 has 1 manufacturer part number on file: MM235-115-6B (Purdy William J Co Interfan Div).
Key specifications for MM235-115-6B: Length: 2.100 INCHES NOMINAL IN; Housing Inside Diameter: 6.700 INCHES NOMINAL IN; Drive Type: DIRECT; Static Pressure at Specified Air Flow Rate: ERR-060. 5 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.
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.