The Filter-Air and Emi,, cataloged under National Stock Number 4920-01-483-2445, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-483-2445 |
| Primary Part Number | 1894AS651-001 |
| Item Name | Filter-Air and Emi, |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| CR111-1/16-5052-.001N-9.2 | Hexcel Corporation (USA) |
| 1894AS651-001 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1894AS651-001 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 4920-01-483-2445 is a Filter-Air and Emi,, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-483-2445 has 2 manufacturer part numbers on file: CR111-1/16-5052-.001N-9.2 (Hexcel Corporation), 1894AS651-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1894AS651-001: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: INAVY) FILTER, AIR AND EMI; End Item Identification: TEST STATION, ELECTRICAL: (CASS) CONSOLIDATED AUTOMATED SUPPORT SYSTEM, EOSS+TEST SET, VCP (PCC:G3N). 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.