The Filter,3 Micron, cataloged under National Stock Number 2940-01-256-7374, 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 Pall Aeropower Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,3 Micron |
| FSC / FSG | 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29) |
| Manufacturers | Pall Aeropower Corporation (CAGE 18350) |
| Parameter | Value |
|---|---|
| NSN | 2940-01-256-7374 |
| Primary Part Number | AZ9999A120PRLP |
| Item Name | Filter,3 Micron |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| AZ9999A120PRLP PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| AZ9999A12UPRLP | C/1 Advisory reference — outside the item-of-supply concept Pall Aeropower Corporation |
NSN 2940-01-256-7374 is a Filter,3 Micron, manufactured by Pall Aeropower Corporation, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-256-7374 has 1 manufacturer part number on file: AZ9999A120PRLP (Pall Aeropower Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-305-5865. Verify interchangeability with system specifications before substitution.
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.