The Filter,air,electrostatic, cataloged under National Stock Number 4460-01-714-0020, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Ems Development Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,air,electrostatic |
| FSC / FSG | 4460 — Air Purification Equipment (FSG 44) |
| Manufacturers | Ems Development Corporation (CAGE 51435) |
| Parameter | Value |
|---|---|
| NSN | 4460-01-714-0020 |
| Primary Part Number | 433D2200-1 |
| Item Name | Filter,air,electrostatic |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Ems Development Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 433D2200-1 PRIMARY | Ems Development Corporation (USA) |
| Reference | Meaning |
|---|---|
| 433D1002-30 | D/9 Drawing number reference only Ems Development Corporation |
| PL433D1002-30 ITEM NO 25 | C/1 Advisory reference — outside the item-of-supply concept Ems Development Corporation |
| 433D1002-30/PL SHEET 2 ITEM 25 | C/1 Advisory reference — outside the item-of-supply concept Ems Development Corporation |
NSN 4460-01-714-0020 is a Filter,air,electrostatic, manufactured by Ems Development Corporation, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-714-0020 has 1 manufacturer part number on file: 433D2200-1 (Ems Development Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-714-1236, 5999-01-714-3521. Verify interchangeability with system specifications before substitution.
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.