The Cassette,filter, cataloged under National Stock Number 6640-01-620-0289, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Tsi Incorporated. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-620-0289 |
| Primary Part Number | 801691 |
| Item Name | Cassette,filter |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Tsi Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6640-01-620-0289 is a Cassette,filter, manufactured by Tsi Incorporated, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-620-0289 has 2 manufacturer part numbers on file: 801691 (Tsi Incorporated), 801691 (Kenelec Scientific Pty Ltd).
Key specifications for 801691: Part Name Assigned by Controlling Agency: DORR-OLIVER CYCLONE; End Item Identification: AEROSOL MONITOR. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.