The Impeller,fan,axial, cataloged under National Stock Number 4140-01-688-3096, 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 Nmb Technologies Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-688-3096 |
| Primary Part Number | 4712KL-05W-B49-P00 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Nmb Technologies Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Length | 4.69 INCHES NOMINAL IN |
| Style Designator | OVERLAPPING STRAIGHT TIP |
| Attachment Method | BOLT HOLE |
| Mounting Hole Diameter | 0.169 INCHES NOMINAL IN |
| Diameter | 4.51 INCHES NOMINAL IN |
| Blade Quantity | 7 |
| Height | 1.25 INCHES NOMINAL IN |
| Hub Location | CENTER |
| Width | 4.69 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE |
| Prime Mover Drive Shaft Bearing Type | BALL |
| 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 |
|---|---|
| 4712KL-05W-B49-P00 PRIMARY | Nmb Technologies Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4712KL-05W-B49-P00 | 5/9 Secondary reference Digi-Key Corp |
NSN 4140-01-688-3096 is a Impeller,fan,axial, manufactured by Nmb Technologies Corporation, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-688-3096 has 1 manufacturer part number on file: 4712KL-05W-B49-P00 (Nmb Technologies Corporation).
Key specifications for 4712KL-05W-B49-P00: Mounting Hole Quantity: 4; Length: 4.69 INCHES NOMINAL IN; Style Designator: OVERLAPPING STRAIGHT TIP; Attachment Method: BOLT HOLE. 13 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.