The Meter,time Totalizing, cataloged under National Stock Number 6645-01-274-0731, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-274-0731 |
| Primary Part Number | K19202-J0 |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc |
| Status | ACTIVE |
| Electrical Movement Type | MOTOR |
| Body Diameter | 0.675 INCHES NOMINAL IN |
| Indicator Type | DRUM REGISTER |
| Terminal Quantity | 2 |
| Background Color | BLACK BACKGROUND FOR HOURS,WHITE BACKGROUND FOR TENTHS |
| Movement Type | ELECTRICAL |
| Current Type | AC |
| Terminal Type | SOLDER |
| Mounting Method | FLUSH |
| Smallest Increment Indicated | 0.01 |
| Operating Frequency | 400.0 HERTZ NOMINAL |
| Marking Color | WHITE MARKINGS FOR HOURS,RED MARKINGS FOR TENTHS |
| Maximum Measurement | 999.90 |
| Hermetic Protection | NOT PROVIDED |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Body Depth | 1.094 INCHES MAXIMUM IN |
| Mounting Type | PANEL |
| Voltage Rating | 115.0 VOLTS NOMINAL |
| 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 |
|---|---|
| K19202-J0 PRIMARY | Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc (USA) |
| Reference | Meaning |
|---|---|
| K19202-J0 | 5/9 Secondary reference U.S. Government activity |
NSN 6645-01-274-0731 is a Meter,time Totalizing, manufactured by Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-274-0731 has 1 manufacturer part number on file: K19202-J0 (Ai-Tek Instruments Llc Dba Ai-Tek Instruments Llc).
Key specifications for K19202-J0: Electrical Movement Type: MOTOR; Body Diameter: 0.675 INCHES NOMINAL IN; Indicator Type: DRUM REGISTER; Terminal Quantity: 2. 20 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.