The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-005-3021, 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 Microwave Engineering Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-005-3021 |
| Primary Part Number | 2027-2077 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Filtering Media Design | HONEYCOMB SINGLE FILTERING MEDIA RESPONSE |
| Body Overall Length | 4.750 INCHES NOMINAL IN |
| Design Type | LIMITED |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Material Document and Classification | QQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| Material | ALUMINUM ALLOY 5052 FILTERING MEDIUM |
| Material | ALUMINUM ALLOY 5052 FRAME |
| Body Thickness | 0.530 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 |
|---|---|
| 2027-2077 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2027-2077 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4130-01-005-3021 is a Filter Element,air Conditioning, manufactured by Microwave Engineering Corporation, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-005-3021 has 1 manufacturer part number on file: 2027-2077 (Microwave Engineering Corporation).
Key specifications for 2027-2077: Filtering Media Design: HONEYCOMB SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 4.750 INCHES NOMINAL IN; Design Type: LIMITED; Style Designator: RECTANGULAR (INCL SQUARE). 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.