The Meter,time Totalizing, cataloged under National Stock Number 6645-01-081-6399, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Electrodynamics Inc Div L3harris Electrodynamics Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-081-6399 |
| Primary Part Number | 56B8CE-196-197 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Electrodynamics Inc Div L3harris Electrodynamics Inc |
| Status | ACTIVE |
| Body Diameter | 0.688 INCHES NOMINAL IN |
| Indicator Type | DIGITAL COUNTER |
| Terminal Quantity | 2 |
| Terminal Type | LUG |
| Mounting Method | SEMIFLUSH |
| Body Length | 1.960 INCHES MINIMUM AND 2.082 INCHES MAXIMUM IN |
| Unit Type | MOUNTED |
| Mounting Configuration | TWO MTG HOLES 0.120/0.130 IN. DIA,1.000 IN. C TO C IN |
| Mounting Flange Diameter | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Mounting Type | FLANGE |
| 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 |
|---|---|
| 56B8CE-196-197 PRIMARY | Electrodynamics Inc Div L3harris Electrodynamics Inc (USA) |
| Reference | Meaning |
|---|---|
| 365042-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 6645-01-081-6399 is a Meter,time Totalizing, manufactured by Electrodynamics Inc Div L3harris Electrodynamics Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-081-6399 has 1 manufacturer part number on file: 56B8CE-196-197 (Electrodynamics Inc Div L3harris Electrodynamics Inc).
Key specifications for 56B8CE-196-197: Body Diameter: 0.688 INCHES NOMINAL IN; Indicator Type: DIGITAL COUNTER; Terminal Quantity: 2; Terminal Type: LUG. 10 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.