The Impeller,pump,centrifugal, cataloged under National Stock Number 2930-00-517-1685, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2930-00-517-1685 |
| Primary Part Number | 40165A |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Keyway Type | SUNK |
| Keyway Depth | 0.066 INCHES NOMINAL IN |
| FSC Application Data | WATER PUMP,ENGINE,NONAIRCRAFT |
| Hub Bore Diameter | 0.751 INCHES NOMINAL IN |
| Hub Length | 1.312 INCHES NOMINAL IN |
| Design Type | SINGLE WIDTH |
| Overall Diameter | 3.312 INCHES NOMINAL IN |
| Mounting Method | KEY |
| Keyway Quantity | 1 |
| Hub Projection Length Beyond Wheel Side | 1.312 INCHES NOMINAL IN |
| Blade Quantity | 8 |
| Keyway Length | 1.312 INCHES NOMINAL IN |
| Hub Quantity | 1 |
| Hub Location | SINGLE INSIDE OFFSET |
| Keyway Width | 0.126 INCHES NOMINAL IN |
| Material | IRON |
| Rotation Direction for Which Designed | CLOCKWISE |
| Blade Type | STRAIGHT |
| 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 |
|---|---|
| 5171685 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 40165A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 5BL003 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| Reference | Meaning |
|---|---|
| 41520 | 5/9 Secondary reference White Motor Corp |
| 40165A | 5/9 Secondary reference Hercules Engine Co Inc |
| 1B8615 | 5/2 Secondary reference U.S. Government activity |
| 40165A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 643396 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 40165A | 5/9 Secondary reference Ford Motor Company |
NSN 2930-00-517-1685 is a Impeller,pump,centrifugal, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-517-1685 has 3 manufacturer part numbers on file: 5171685 (U S Army Tank Automotive Command Amsta-Im-Mm), 40165A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 5BL003 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)).
3 possible matches (shared part number, not a government interchangeability claim): 5962-01-244-8518, 4320-01-440-9460, 6105-01-458-4899. Verify interchangeability with system specifications before substitution.
Key specifications for 40165A: Keyway Type: SUNK; Keyway Depth: 0.066 INCHES NOMINAL IN; FSC Application Data: WATER PUMP,ENGINE,NONAIRCRAFT; Hub Bore Diameter: 0.751 INCHES NOMINAL IN. 18 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.