The Meter,time Totalizing, cataloged under National Stock Number 6645-01-375-8176, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
6645-01-375-8176
Item Name
Meter,time Totalizing
FSC / FSG
6645 / 66 — Time Measuring Instruments
Status
ACTIVE
Indicator Type
DRUM REGISTER
Movement Type
ELECTRICAL
Current Type
DC
Smallest Increment Indicated
1.00
Maximum Measurement
9999.00
Hermetic Protection
PROVIDED
Body Length
1.094 INCHES MAXIMUM IN
Unit Type
MOUNTED
Reset Feature
NOT PROVIDED
Voltage Rating
28.0 VOLTS NOMINAL
Measurement Unit
HOURS
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
MS21341A-26
2/2Government specification standardization
U.S. Government activity
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 6645-01-375-8176?
NSN 6645-01-375-8176 is a Meter,time Totalizing, classified under FSC 6645, Time Measuring Instruments. Status: active.
What are the specifications of 6645-01-375-8176?
Key specifications for 6645-01-375-8176: Indicator Type: DRUM REGISTER; Movement Type: ELECTRICAL; Current Type: DC; Smallest Increment Indicated: 1.00. 11 specifications are documented in the U.S. Government catalog.
Is NSN 6645-01-375-8176 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.