The Housing,centrifugal Fan, cataloged under National Stock Number 4140-01-662-5251, 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 Therma-Tech Engineering Inc Dba Thermatech Ar Lintern. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-662-5251 |
| Primary Part Number | 065070117 |
| Item Name | Housing,centrifugal Fan |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern |
| Status | ACTIVE |
| Length | 8.93 INCHES NOMINAL IN |
| Housing Style | FIXED, DUAL, ROUND OUTLETS |
| Quantity | 2 |
| Height | 4.13 INCHES NOMINAL IN |
| Prime Mover for Which Designed | DIESEL ENGINE |
| Width | 9.62 INCHES NOMINAL 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 |
|---|---|
| 065070117 PRIMARY | Therma-Tech Engineering Inc Dba Thermatech Ar Lintern (USA) |
| Reference | Meaning |
|---|---|
| 4290135 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 4140-01-662-5251 is a Housing,centrifugal Fan, manufactured by Therma-Tech Engineering Inc Dba Thermatech Ar Lintern, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-662-5251 has 1 manufacturer part number on file: 065070117 (Therma-Tech Engineering Inc Dba Thermatech Ar Lintern).
Key specifications for 065070117: Length: 8.93 INCHES NOMINAL IN; Housing Style: FIXED, DUAL, ROUND OUTLETS; Quantity: 2; Height: 4.13 INCHES NOMINAL IN. 6 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.