The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-521-4875, 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 Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot. Government technical data includes 3 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 | 4130-01-521-4875 |
| Primary Part Number | A1-33855D |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot |
| Status | ACTIVE |
| Body Overall Length | 6.880 INCHES MINIMUM AND 6.920 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Body Thickness | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM 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 |
|---|---|
| A1-33855D PRIMARY | Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot (USA) |
NSN 4130-01-521-4875 is a Filter Element,air Conditioning, manufactured by Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-521-4875 has 1 manufacturer part number on file: A1-33855D (Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot).
Key specifications for A1-33855D: Body Overall Length: 6.880 INCHES MINIMUM AND 6.920 INCHES MAXIMUM IN; Style Designator: RECTANGULAR (INCL SQUARE); Overall Width: 5.560 INCHES MINIMUM AND 5.600 INCHES MAXIMUM IN; Special Features: C/O SCREWS - NASM24693-C11 (2), ADHESIVE-8040001658614, FRAME GASKET -D1-33853D-2 (2), FRAME GASKET -D1-33853D-1 (2) FILTER MODIFIED - D1-33854D (1) NSN 4130015197589, FILTER FRAME - A1-33852D (1). 3 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.