The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-232-4820, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4130-01-232-4820 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Status | ACTIVE |
| Filtering Media Design | CRIMPED FIRST FILTERING MEDIA RESPONSE |
| Filtering Media Design | LAYERED SECOND FILTERING MEDIA RESPONSE |
| Body Overall Length | 18.500 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Material | ALUMINUM FRAME |
| Material | ALUMINUM 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 |
| Reference | Meaning |
|---|---|
| 63A138728P5 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 1850X400VAA5-50X | 5/2 Secondary reference U.S. Government activity |
| 903610 | 3/2 Design control — primary reference U.S. Government activity |
| 1850X400VAA550AN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| VAA.5-50X(03610) | 5/9 Secondary reference U.S. Government activity |
NSN 4130-01-232-4820 is a Filter Element,air Conditioning, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-494-5622. Verify interchangeability with system specifications before substitution.
Key specifications for 4130-01-232-4820: Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Filtering Media Design: LAYERED SECOND FILTERING MEDIA RESPONSE; Body Overall Length: 18.500 INCHES NOMINAL IN; Design Type: REUSABLE. 8 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.