The Air Cleaner,intake, cataloged under National Stock Number 2940-00-423-9924, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-423-9924 |
| Primary Part Number | 6B7877 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Oil Capacity | 4.0 PINTS |
| Flange Mounting Provision Spacing | 4-1/2 IN. BY 3-1/2 IN. C TO C IN |
| Outlet Location | TOP SIDE OF CLEANER |
| Material | STEEL |
| Submersibility | NONSUBMERSIBLE |
| Filter Type | OIL BATH |
| Element Replaceability | NONREPLACEABLE |
| Flange Mounting Provision Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Pressure Relief Valve | NOT INCLUDED |
| Quantity | 22 |
| Element Type | FREE FLOW |
| Flange Mounting Provision and Quantity | 2 HOLES |
| Flange Mounting Provision Thread Direction | RIGHT-HAND |
| Outside Diameter | 10.500 INCHES NOMINAL IN |
| Outlet Type | FLANGED |
| Backfire Valve | NOT INCLUDED |
| Air Cleaner Type | PERMANENT |
| Flange Mounting Provision Thread Size | 3/8-16 |
| Shape | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6B7877 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| FFA10-2500 PRIMARY | Donaldson Company, Inc. (USA) |
| A1025 | Donaldson Company, Inc. (USA) |
NSN 2940-00-423-9924 is a Air Cleaner,intake, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940 (No Item Name Available). Status: active.
NSN 2940-00-423-9924 has 3 cross-referenced part numbers: 6B7877 (Caterpillar Inc Div Caterpillar Defense), FFA10-2500 (Donaldson Company, Inc.), A1025 (Donaldson Company, Inc.).
There are 2 known substitutes for 2940-00-423-9924: 2805-00-270-3430, 2040-01-414-0161. Verify interchangeability with system specifications before substitution.
Key specifications for 6B7877: Remote Location Inlet Adapter: NOT INCLUDED; Oil Capacity: 4.0 PINTS; Flange Mounting Provision Spacing: 4-1/2 IN. BY 3-1/2 IN. C TO C IN; Overall Height: 23.875 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.