The Filter Unit,air Purification Sys, cataloged under National Stock Number 4460-01-494-5743, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4460-01-494-5743 |
| Primary Part Number | EN61351-MG |
| Item Name | Filter Unit,air Purification Sys |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Material | ZINC OR ALUMINUM |
| 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 |
|---|---|
| EN61351-MG PRIMARY | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| 70685 | 5/9 Secondary reference Altra Industrial Motion Corp. |
NSN 4460-01-494-5743 is a Filter Unit,air Purification Sys, manufactured by Altra Industrial Motion Corp., classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-494-5743 has 1 manufacturer part number on file: EN61351-MG (Altra Industrial Motion Corp.).
Key specifications for EN61351-MG: Overall Length: 7.350 INCHES MINIMUM AND 7.950 INCHES MAXIMUM IN; Overall Width: 3.150 INCHES NOMINAL IN; Special Features: INLET/OUTLET CONNECTIONS 3/4 IN NPTF, AUTOMATIC DRAIN CONNECTION 1/8 IN NPTF; MAXIMUM OPERATING 250 PSIG, 175 DEGREE F; LIQUID LEVEL INDICATOR; 5, 40, AND 75 MICRON FILTER ELEMENT AVAILABLE, 40 MICRON STANDARD IN; Material: ZINC OR ALUMINUM. 1 specification is 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.