The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-489-1746, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-489-1746 |
| Primary Part Number | 1813838 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Body Overall Length | 5.660 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Material | ALUMINUM BODY |
| Body Thickness | 0.360 INCHES NOMINAL IN |
| 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 |
|---|---|
| PL 1983507 REV B ITEM NO.9 | Northrop Grumman Systems Corporation (USA) |
| 1813838 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| AFLTR4AL | Hoffman Engineering Co Div of Federal Cartridge Corp (USA) |
| Reference | Meaning |
|---|---|
| A-FTLR4AL | 5/9 Secondary reference Hoffman Engineering Co Div of Federal Cartridge Corp |
NSN 4130-01-489-1746 is a Filter Element,air Conditioning, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-489-1746 has 3 manufacturer part numbers on file: PL 1983507 REV B ITEM NO.9 (Northrop Grumman Systems Corporation), 1813838 (Northrop Grumman Systems Corporation), AFLTR4AL (Hoffman Engineering Co Div of Federal Cartridge Corp).
Key specifications for 1813838: Body Overall Length: 5.660 INCHES NOMINAL IN; Design Type: REUSABLE; Overall Width: 5.660 INCHES NOMINAL IN; Special Features: AN EXHAUST GRILLE INCLUDES A 16 GAUGE STAINLESS STEEL GRI. 4 specifications are 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.