The Timer,sequential, cataloged under National Stock Number 6645-01-421-3522, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Steris Corporation Dba Steris Applied Sterilization Technololgies. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-421-3522 |
| Primary Part Number | 418335-355 |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Steris Corporation Dba Steris Applied Sterilization Technololgies |
| 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 |
|---|---|
| 418335-355 PRIMARY | Steris Corporation Dba Steris Applied Sterilization Technololgies (USA) |
| Reference | Meaning |
|---|---|
| 418335-355 | 3/9 Design control — primary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
NSN 6645-01-421-3522 is a Timer,sequential, manufactured by Steris Corporation Dba Steris Applied Sterilization Technololgies, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-421-3522 has 1 manufacturer part number on file: 418335-355 (Steris Corporation Dba Steris Applied Sterilization Technololgies).
Key specifications for 418335-355: End Item Identification: AIRCRAFT,HERCULES C-130. 0 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.