The Emi Base Unit,aircr, cataloged under National Stock Number 6635-01-583-5156, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Olympus America Inc Div Evident Scientific, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Emi Base Unit,aircr |
| FSC / FSG | 6635 — Physical Properties Testing and Inspection (FSG 66) |
| Manufacturers | Olympus America Inc Div Evident Scientific, Inc. (CAGE 6SDT8) |
| Parameter | Value |
|---|---|
| NSN | 6635-01-583-5156 |
| Primary Part Number | 9744946 |
| Item Name | Emi Base Unit,aircr |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Olympus America Inc Div Evident Scientific, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 9744946 PRIMARY | Olympus America Inc Div Evident Scientific, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9744946 | C/1 Advisory reference — outside the item-of-supply concept Olympus America Inc |
| 9744946 | 5/9 Secondary reference Olympus Scientific Solutions Technologies Inc. |
NSN 6635-01-583-5156 is a Emi Base Unit,aircr, manufactured by Olympus America Inc Div Evident Scientific, Inc., classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-583-5156 has 1 manufacturer part number on file: 9744946 (Olympus America Inc Div Evident Scientific, Inc.).
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6635-01-583-5156 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.