Mounting Method: FLANGE LOCATION NOT OTHERWISE SPECIFIED
Timer Type: ELECTRICAL
Switch Type: CAM ACTUATED
Automatic Electric Circuit Control Switch: INCLUDED
Control Switch Voltage in Volts: 120.0 OR 250.0
Current Rating: 20.000 AMPERES
Identification
NSN: 6645-00-417-1998
NIIN: 004171998
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Timer,sequential, cataloged under National Stock Number 6645-00-417-1998, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6645-00-417-1998
Item Name
Timer,sequential
FSC / FSG
6645 / 66 — Time Measuring Instruments
Status
ACTIVE
Mounting Method
FLANGE LOCATION NOT OTHERWISE SPECIFIED
Timer Type
ELECTRICAL
Switch Type
CAM ACTUATED
Automatic Electric Circuit Control Switch
INCLUDED
Control Switch Voltage in Volts
120.0 OR 250.0
Current Rating
20.000 AMPERES
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
511A1-10S
3/9Design control — primary reference
Cramer Co Division of Chestnut Group Inc
No interchangeability data on file.
Other items in FSC 6645 — Time Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6645-00-001-1256
6645-00-001-1256 · Item name not on file
6645-00-001-4498
6645-00-001-4498 · Item name not on file
6645-00-001-4584
6645-00-001-4584 · Item name not on file
6645-00-001-9400
METER,TIME TOTALIZING
6645-00-003-0327
6645-00-003-0327 · Item name not on file
6645-00-003-0328
6645-00-003-0328 · Item name not on file
6645-00-003-0337
6645-00-003-0337 · Item name not on file
6645-00-003-0338
METER,TIME TOTALIZING
Frequently Asked Questions
What is NSN 6645-00-417-1998?
NSN 6645-00-417-1998 is a Timer,sequential, classified under FSC 6645, Time Measuring Instruments. Status: active.
What are the specifications of 6645-00-417-1998?
Key specifications for 6645-00-417-1998: Mounting Method: FLANGE LOCATION NOT OTHERWISE SPECIFIED; Overall Width: 3.656 INCHES NOMINAL IN; Timer Type: ELECTRICAL; Switch Type: CAM ACTUATED. 6 specifications are documented in the U.S. Government catalog.
Is NSN 6645-00-417-1998 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.