The Guard,fan Impeller, cataloged under National Stock Number 4140-01-531-1966, 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 Polyamp Aktiebolag Div Polyamp Ab. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-531-1966 |
| Primary Part Number | 103338 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Polyamp Aktiebolag Div Polyamp Ab |
| Status | ACTIVE |
| Mounting Method | SCREW |
| Shape | SQUARE |
| 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 |
|---|---|
| 103338 PRIMARY | Polyamp Aktiebolag Div Polyamp Ab (SWE) |
| Reference | Meaning |
|---|---|
| 103338 | 3/9 Design control — primary reference Polyamp Ab |
NSN 4140-01-531-1966 is a Guard,fan Impeller, manufactured by Polyamp Aktiebolag Div Polyamp Ab, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-531-1966 has 1 manufacturer part number on file: 103338 (Polyamp Aktiebolag Div Polyamp Ab).
Key specifications for 103338: Mounting Method: SCREW; Shape: SQUARE; Overall Length: 80.0 MILLIMETERS NOMINAL MM; Overall Width: 80.0 MILLIMETERS NOMINAL MM. 2 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.