The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-587-9313, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-587-9313 |
| Primary Part Number | 20528251-108 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Body Overall Length | 6.650 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR (INCL SQUARE W/ AIR BAFFLE) |
| Material | PLASTIC POLYURETHANE FILTERING MEDIUM |
| Body Thickness | 0.250 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 |
|---|---|
| 20528251-108 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 803981 | Systel Inc (USA) |
NSN 4130-01-587-9313 is a Filter Element,air Conditioning, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-587-9313 has 2 manufacturer part numbers on file: 20528251-108 (Lockheed Martin Corporation Div Rms), 803981 (Systel Inc).
Key specifications for 20528251-108: Body Overall Length: 6.650 INCHES NOMINAL IN; Style Designator: RECTANGULAR (INCL SQUARE W/ AIR BAFFLE); Overall Width: 1.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FILTER, 25 PPI - 3U. 4 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.