The Filter,air, cataloged under National Stock Number 2940-01-457-4517, 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 Azure Blue Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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,air |
| FSC / FSG | 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29) |
| Manufacturers | Azure Blue Inc (CAGE 0F9B8) |
| Parameter | Value |
|---|---|
| NSN | 2940-01-457-4517 |
| Primary Part Number | AB-2000-HGAF |
| Item Name | Filter,air |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Azure Blue Inc |
| 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 |
|---|---|
| AB-2000-HGAF PRIMARY | Azure Blue Inc (USA) |
| Reference | Meaning |
|---|---|
| 17210-ZE3-505 | 5/9 Secondary reference Azure Blue Inc |
| 5042-6000 | 5/9 Secondary reference Azure Blue Inc |
| AB-2000-AGF | 5/9 Secondary reference Azure Blue Inc |
NSN 2940-01-457-4517 is a Filter,air, manufactured by Azure Blue Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-457-4517 has 1 manufacturer part number on file: AB-2000-HGAF (Azure Blue Inc).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-674-5545. 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.