The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-370-8174, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Multi-Duti Manufacturing, Inc.. Government technical data includes 14 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 | 4320-01-370-8174 |
| Primary Part Number | 1000.055 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Multi-Duti Manufacturing, Inc. |
| Status | ACTIVE |
| Hub Bore Diameter | 0.625 INCHES NOMINAL IN |
| Design Type | DOUBLE WIDTH |
| Overall Diameter | 4.875 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Supplementary Features | MATERIAL NORYL GEN 3 |
| Thread Diameter | 0.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Blade Quantity | 4 |
| Hub Quantity | 1 |
| Hub Location | FRONT SIDE |
| Screw Thread Series Designator | UNF |
| Material | PLASTIC |
| Thread Quantity | 20 PER INCH |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| 1000.055 PRIMARY | Multi-Duti Manufacturing, Inc. (USA) |
NSN 4320-01-370-8174 is a Impeller,pump,centrifugal, manufactured by Multi-Duti Manufacturing, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-370-8174 has 1 manufacturer part number on file: 1000.055 (Multi-Duti Manufacturing, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-478-7297, 5998-01-491-0502. Verify interchangeability with system specifications before substitution.
Key specifications for 1000.055: Hub Bore Diameter: 0.625 INCHES NOMINAL IN; Design Type: DOUBLE WIDTH; Overall Diameter: 4.875 INCHES NOMINAL IN; Mounting Method: THREAD. 14 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.