The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-198-5743, 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 Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-198-5743 |
| Primary Part Number | 2635149-4 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| Status | ACTIVE |
| Filtering Media Design | CRIMPED FIRST FILTERING MEDIA RESPONSE |
| Filtering Media Design | EXPANDED SECOND FILTERING MEDIA RESPONSE |
| Body Overall Length | 5.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE FRAME |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE FILTERING MEDIUM |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Surface Treatment | CHROMATE FRAME |
| Surface Treatment | CHROMATE FILTERING MEDIUM |
| Material | ALUMINUM ALLOY 6061 FRAME |
| Material | ALUMINUM ALLOY FILTERING MEDIUM |
| 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 |
|---|---|
| 2635149-4 PRIMARY | Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA) |
NSN 4130-01-198-5743 is a Filter Element,air Conditioning, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-198-5743 has 1 manufacturer part number on file: 2635149-4 (Alliant Techsystems Operations Llc Div Defense Electronic Systems).
Key specifications for 2635149-4: Filtering Media Design: CRIMPED FIRST FILTERING MEDIA RESPONSE; Filtering Media Design: EXPANDED SECOND FILTERING MEDIA RESPONSE; Body Overall Length: 5.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE FRAME. 11 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.