The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-735-4402, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Blue Jay Manufacturing Co. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-735-4402 |
| Primary Part Number | 115-85 |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Blue Jay Manufacturing Co |
| Status | ACTIVE |
| Hub Bore Diameter | 1.025 INCHES NOMINAL IN |
| Hub Length | 0.604 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 6.987 INCHES NOMINAL IN |
| Mounting Method | THREAD |
| Thread Diameter | 1.062 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Hub Projection Length Beyond Wheel Side | 0.604 INCHES NOMINAL IN |
| Blade Quantity | 4 |
| Hub Quantity | 1 |
| Hub Location | FRONT SIDE |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | COPPER ALLOY |
| Thread Quantity | 12 PER INCH |
| Rotation Direction for Which Designed | CLOCKWISE |
| Blade Type | FORWARD 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 |
|---|---|
| 2000-5123-103 | Advanced Industries, Llc (USA) |
| 115-85 PRIMARY | Blue Jay Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 115-85 | 5/9 Secondary reference United Corp the |
NSN 4320-00-735-4402 is a Impeller,pump,centrifugal, manufactured by Blue Jay Manufacturing Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-735-4402 has 2 manufacturer part numbers on file: 2000-5123-103 (Advanced Industries, Llc), 115-85 (Blue Jay Manufacturing Co).
4 possible matches (shared part number, not a government interchangeability claim): 5330-01-213-4200, 4730-01-387-0814, 6240-01-437-6680. Verify interchangeability with system specifications before substitution.
Key specifications for 115-85: Hub Bore Diameter: 1.025 INCHES NOMINAL IN; Hub Length: 0.604 INCHES NOMINAL IN; Design Type: SINGLE WIDTH; Overall Diameter: 6.987 INCHES NOMINAL IN. 16 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.