The Filter Element,air Conditioning, cataloged under National Stock Number 4130-00-850-2891, 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 Meco Corp Div Meco. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-00-850-2891 |
| Primary Part Number | S4S4 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Meco Corp Div Meco |
| Status | ACTIVE |
| Filtering Media Design | MESH SECOND FILTERING MEDIA RESPONSE |
| Filtering Media Design | CRIMPED FIRST FILTERING MEDIA RESPONSE |
| Body Overall Length | 20.000 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Material | COPPER ALLOY 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 |
|---|---|
| S4S4 PRIMARY | Meco Corp Div Meco (USA) |
| Reference | Meaning |
|---|---|
| 095636004 | 5/9 Secondary reference Farr Co |
| 518D708H17 | 5/9 Secondary reference Westinghouse Electric Corp |
| C4C4 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| C4C4 | 5/9 Secondary reference Farr Co |
| 518D708H17 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4130-00-850-2891 is a Filter Element,air Conditioning, manufactured by Meco Corp Div Meco, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-00-850-2891 has 1 manufacturer part number on file: S4S4 (Meco Corp Div Meco).
Key specifications for S4S4: Filtering Media Design: MESH SECOND FILTERING MEDIA RESPONSE; Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Body Overall Length: 20.000 INCHES NOMINAL IN; Design Type: REUSABLE. 7 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.