The Fan,tubeaxial, cataloged under National Stock Number 4140-01-596-5974, 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 New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-596-5974 |
| Primary Part Number | 3615KL-04W-B59-P50 |
| Item Name | Fan,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 RIM |
| Length | 1.51 INCHES NOMINAL IN |
| Flow Direction | OUTWARD |
| Housing Inside Diameter | 3.52 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Style Designator | FIXED |
| Height | 3.62 INCHES NOMINAL IN |
| Width | 3.62 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE |
| Air Flow Rate | 76.2 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 |
|---|---|
| 3615KL-04W-B59-P50 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
NSN 4140-01-596-5974 is a Fan,tubeaxial, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-596-5974 has 1 manufacturer part number on file: 3615KL-04W-B59-P50 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for 3615KL-04W-B59-P50: Mounting Facility Type and Quantity: 4 RIM; Length: 1.51 INCHES NOMINAL IN; Flow Direction: OUTWARD; Housing Inside Diameter: 3.52 INCHES NOMINAL IN. 11 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.