The Meter,time Totalizing, cataloged under National Stock Number 6645-01-107-2152, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hensoldt Sensors Gmbh. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-107-2152 |
| Primary Part Number | W41284-B6100-A2 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Hensoldt Sensors Gmbh |
| Status | ACTIVE |
| Electrical Movement Type | CONSTANT SPEED MOTOR |
| Indicator Type | DRUM REGISTER |
| Terminal Quantity | 2 |
| Background Color | WHITE BACKGROUND |
| Movement Type | ELECTRICAL |
| Current Type | DC |
| Terminal Type | SOLDER HOOK |
| Overall Diameter | 0.688 INCHES NOMINAL IN |
| Mounting Method | SEMIFLUSH |
| Smallest Increment Indicated | 1.00 |
| Operating Frequency | 400.0 HERTZ NOMINAL |
| Marking Color | BLACK NUMERALS FOR HOURS |
| Maximum Measurement | 9999.00 |
| Hermetic Protection | PROVIDED |
| Mounting Flange Width | 0.875 INCHES NOMINAL IN |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Flange Height | 1.312 INCHES NOMINAL IN |
| Mounting Flange Diameter | 0.875 INCHES NOMINAL IN |
| Material | ALUMINUM OR STEEL CASE |
| Mounting Type | FLANGE |
| Voltage Rating | 23.0 VOLTS MINIMUM AND 29.0 VOLTS MAXIMUM |
| Measurement Unit | HOURS |
| 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 |
|---|---|
| W41284-B6100-A2 | Hensoldt Sensors Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| K19225F7 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6645-01-107-2152 is a Meter,time Totalizing, manufactured by Hensoldt Sensors Gmbh, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-107-2152 has 1 manufacturer part number on file: W41284-B6100-A2 (Hensoldt Sensors Gmbh).
Key specifications for W41284-B6100-A2: Electrical Movement Type: CONSTANT SPEED MOTOR; Overall Height: 1.312 INCHES NOMINAL IN; Indicator Type: DRUM REGISTER; Terminal Quantity: 2. 23 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.