The Fan,tubeaxial, cataloged under National Stock Number 4140-01-597-2237, 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 Hoffman Enclosures Inc Dba Hoffman Enclosures Inc. Government technical data includes 12 specifications, 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 | 4140-01-597-2237 |
| Primary Part Number | T-FP61UL12 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Hoffman Enclosures Inc Dba Hoffman Enclosures Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Shaft Bearing Type | BALL |
| Inclosure Type | FULLY INCLOSED |
| Length | 3.750 INCHES NOMINAL IN |
| Housing Inside Diameter | 4.500 INCHES NOMINAL IN |
| Drive Type | BELT |
| Style Designator | FIXED |
| Height | 7.800 INCHES NOMINAL IN |
| Width | 8.870 INCHES NOMINAL IN |
| Material | PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) HOUSING |
| Prime Mover Type | ELECTRIC MOTOR |
| Electrical Connection Type | WIRE LEAD |
| 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 |
|---|---|
| T-FP61UL12 PRIMARY | Hoffman Enclosures Inc Dba Hoffman Enclosures Inc (USA) |
| 6999ED1868 REV A ITEM 5 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
NSN 4140-01-597-2237 is a Fan,tubeaxial, manufactured by Hoffman Enclosures Inc Dba Hoffman Enclosures Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-597-2237 has 2 manufacturer part numbers on file: T-FP61UL12 (Hoffman Enclosures Inc Dba Hoffman Enclosures Inc), 6999ED1868 REV A ITEM 5 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
Key specifications for T-FP61UL12: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Shaft Bearing Type: BALL; Inclosure Type: FULLY INCLOSED; Length: 3.750 INCHES NOMINAL IN. 12 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.