The Filter Element,fluid, cataloged under National Stock Number 4330-01-122-2154, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-122-2154 |
| Primary Part Number | 121266-9 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Overall Length | 11.875 INCHES NOMINAL IN |
| Flow Direction | PARALLEL |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Media for Which Designed | AIR |
| Material | ALUMINUM ALLOY FRAME |
| Material | ALUMINUM ALLOY FILTERING MEDIUM |
| Body Thickness | 0.500 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 |
|---|---|
| 503663-1 | Aimtron Systems, Llc (USA) |
| 121266-9 PRIMARY | Falls Filtration Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 503663-1 | 5/9 Secondary reference Cardion Inc |
| 4330PL1602705 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4330-01-122-2154 is a Filter Element,fluid, manufactured by Falls Filtration Technologies, Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-122-2154 has 2 manufacturer part numbers on file: 503663-1 (Aimtron Systems, Llc), 121266-9 (Falls Filtration Technologies, Inc.).
Key specifications for 121266-9: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 11.875 INCHES NOMINAL IN; Flow Direction: PARALLEL; Design Type: REUSABLE. 9 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.