The Air Cleaner,intake, cataloged under National Stock Number 2940-01-169-6685, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Donaldson Company, Inc.. Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-169-6685 |
| Primary Part Number | 18625-FWG-04-2525 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Integral Clamp | NOT INCLUDED |
| Filter Type | DRY |
| Element Replaceability | REPLACEABLE |
| Backfire Valve | NOT INCLUDED |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Outlet Sleeve Type | PROTRUDING |
| Quantity | 1 |
| Outside Diameter | 4.526 INCHES NOMINAL IN |
| Sleeve Outside Diameter | 1.750 INCHES NOMINAL IN |
| Outlet Type | SLEEVE |
| Sleeve Connection Quantity | 2 |
| Pressure Relief Valve | NOT INCLUDED |
| Inlet Type | SLEEVE |
| Material | STEEL |
| Air Cleaner Type | THROW-AWAY |
| Sleeve Location | CENTRALLY ON TOP AND ON SIDE NEAR TOPOF CLEANER |
| Submersibility | NONSUBMERSIBLE |
| Outlet Location | BOTTOM CENTER OF CLEANER |
| Mounting Outside Diameter | 3.016 INCHES NOMINAL IN |
| Sleeve Length | 1.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 18625-FWG-04-2525 PRIMARY | Donaldson Company, Inc. (USA) |
| 5435115 PRIMARY | Naval Sea Systems Command (USA) |
NSN 2940-01-169-6685 is a Air Cleaner,intake, manufactured by Donaldson Company, Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-169-6685 has 2 manufacturer part numbers on file: 18625-FWG-04-2525 (Donaldson Company, Inc.), 5435115 (Naval Sea Systems Command).
Key specifications for 18625-FWG-04-2525: Overall Height: 12.000 INCHES NOMINAL IN; Integral Clamp: NOT INCLUDED; Filter Type: DRY; Element Replaceability: REPLACEABLE. 20 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.