The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-085-3497, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Little Giant Pump Co. Government technical data includes 10 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-085-3497 |
| Primary Part Number | 112073 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Little Giant Pump Co |
| Status | ACTIVE |
| Hub Length | 0.375 INCHES NOMINAL AND 0.220 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 5.750 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Blade Quantity | 2 |
| Hub Quantity | 2 |
| Hub Location | BACK SIDE AND FRONT SIDE |
| Material | PLASTIC POLYAMIDE NYLON |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Blade Type | BACKWARD CURVE |
| 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 |
|---|---|
| 112073 PRIMARY | Little Giant Pump Co (USA) |
NSN 4320-01-085-3497 is a Impeller,pump,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-085-3497 has 1 manufacturer part number on file: 112073 (Little Giant Pump Co).
2 possible matches (shared part number, not a government interchangeability claim): 5820-01-097-6113, 2090-01-519-5631. Verify interchangeability with system specifications before substitution.
Key specifications for 112073: Hub Length: 0.375 INCHES NOMINAL AND 0.220 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 5.750 INCHES NOMINAL IN; Mounting Method: THREAD. 10 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.