The Meter,time Totalizing, cataloged under National Stock Number 6645-01-299-3198, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hughes Corporation Dba Mac Group, the Div Weschler Instruments. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-299-3198 |
| Primary Part Number | 240311AAAB |
| Item Name | Meter,time Totalizing |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Hughes Corporation Dba Mac Group, the Div Weschler Instruments |
| Status | ACTIVE |
| Electrical Movement Type | MOTOR |
| Body Diameter | 2.215 INCHES MAXIMUM IN |
| FSC Application Data | TIME MEASURING INSTRUMENTS |
| Indicator Type | DIAL-COUNTER |
| Terminal Quantity | 2 |
| Movement Type | ELECTRICAL AND MECHANICAL |
| Current Type | AC |
| Terminal Type | THREADED STUD |
| Mounting Method | SEMIFLUSH |
| Operating Frequency | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Hermetic Protection | NOT PROVIDED |
| Body Length | 3.253 INCHES MAXIMUM IN |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Mounting Configuration | FOUR 0.112 IN. DIA BY 0.5 IN. LG THREADED STUDS EQUALLY SPACED ON 1.88 IN. CENTERS IN |
| Material | PLASTIC CASE |
| Mounting Type | PANEL |
| Voltage Rating | 120.0 VOLTS NOMINAL |
| 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 |
|---|---|
| 240311AAAB PRIMARY | Hughes Corporation Dba Mac Group, the Div Weschler Instruments (USA) |
| Reference | Meaning |
|---|---|
| 50-240311AAAB7 | 5/9 Secondary reference Yokogawa Corporation of America |
| 50-240311AAA87 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Instrument Products Section |
| 240-311AAAB7 | 5/9 Secondary reference Yokogawa Corporation of America |
NSN 6645-01-299-3198 is a Meter,time Totalizing, manufactured by Hughes Corporation Dba Mac Group, the Div Weschler Instruments, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-299-3198 has 1 manufacturer part number on file: 240311AAAB (Hughes Corporation Dba Mac Group, the Div Weschler Instruments).
Key specifications for 240311AAAB: Electrical Movement Type: MOTOR; Body Diameter: 2.215 INCHES MAXIMUM IN; Overall Height: 2.700 INCHES NOMINAL IN; FSC Application Data: TIME MEASURING INSTRUMENTS. 18 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.