The Precleaner Assembly, cataloged under National Stock Number 2940-00-401-4095, 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 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2940-00-401-4095 |
| Primary Part Number | PBH00-0821 |
| Item Name | Precleaner Assembly |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | PLASTIC BODY;CONSISTS OF 277376R91 COVER,ASSEMBLY 1;277377R1 BODY 1;277379R91 SLEEVE 1 |
| 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 |
|---|---|
| 277380R91 | Komatsu America Corp. (USA) |
| PBH00-0821 PRIMARY | Donaldson Company, Inc. (USA) |
| H000821 | Donaldson Filtration Deutschland Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| H254 | 5/9 Secondary reference Donaldson Company, Inc. |
| PBH00-0254 | 5/9 Secondary reference Donaldson Company, Inc. |
| 277380R91 | 5/9 Secondary reference U.S. Government activity |
| 277380R91 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 2940-00-401-4095 is a Precleaner Assembly, manufactured by Donaldson Company, Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-401-4095 has 3 manufacturer part numbers on file: 277380R91 (Komatsu America Corp.), PBH00-0821 (Donaldson Company, Inc.), H000821 (Donaldson Filtration Deutschland Gmbh).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-107-8619, 4320-01-157-3524, 5331-01-259-6187. Verify interchangeability with system specifications before substitution.
Key specifications for PBH00-0821: General Characteristics Item Description: PLASTIC BODY;CONSISTS OF 277376R91 COVER,ASSEMBLY 1;277377R1 BODY 1;277379R91 SLEEVE 1. 1 specification is 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.