The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-303-1344, 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 Farr Co. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-303-1344 |
| Primary Part Number | 20X25X2 44MZ |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Farr Co |
| Status | ACTIVE |
| Filtering Media Design | CRIMPED FIRST FILTERING MEDIA RESPONSE |
| Filtering Media Design | LAYERED SECOND FILTERING MEDIA RESPONSE |
| Body Overall Length | 25.000 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Surface Treatment | CHROMATE ZINC FILTERING MEDIUM |
| Surface Treatment | CHROMATE ZINC FRAME |
| Material | STEEL FILTERING MEDIUM |
| Material | STEEL FRAME |
| Body Thickness | 2.000 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 |
|---|---|
| 172-004 | Camfil Usa Inc (USA) |
| 172-004 | Farr Co (USA) |
| 20X25X2 44MZ | Camfil Usa Inc (USA) |
| 20X25X2 44MZ | Camfil Usa, Inc. Dba Camfil Farr (USA) |
| 20X25X2 44MZ PRIMARY | Farr Co (USA) |
| 172-004 | Camfil Usa, Inc. Dba Camfil Farr (USA) |
NSN 4130-01-303-1344 is a Filter Element,air Conditioning, manufactured by Farr Co, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-303-1344 has 6 manufacturer part numbers on file: 172-004 (Camfil Usa Inc), 172-004 (Farr Co), 20X25X2 44MZ (Camfil Usa Inc), 20X25X2 44MZ (Camfil Usa, Inc. Dba Camfil Farr), 20X25X2 44MZ (Farr Co) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 8145-01-733-8223. Verify interchangeability with system specifications before substitution.
Key specifications for 20X25X2 44MZ: Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Filtering Media Design: LAYERED SECOND FILTERING MEDIA RESPONSE; Body Overall Length: 25.000 INCHES NOMINAL IN; Design Type: REUSABLE. 10 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.