The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-438-9911, 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 Rotron Incorporated. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 — Refrigeration and Air Conditioning Components (FSG 41) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 2S209); Rotron Incorporated (CAGE 57487) |
| Parameter | Value |
|---|---|
| NSN | 4130-01-438-9911 |
| Primary Part Number | 1443-3 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5A12117H04 | Northrop Grumman Systems Corporation (USA) |
| 1443-3 PRIMARY | Rotron Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 5A1211TH02 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| S-1006-107 | C/1 Advisory reference — outside the item-of-supply concept Zero Corp Mclean Engineering Div |
| 5A12117H02 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 4130-01-438-9911 is a Filter Element,air Conditioning, manufactured by Rotron Incorporated, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-438-9911 has 2 manufacturer part numbers on file: 5A12117H04 (Northrop Grumman Systems Corporation), 1443-3 (Rotron Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-734-3384. Verify interchangeability with system specifications before substitution.
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.