The Meter,time Totalizing, cataloged under National Stock Number 6645-01-262-1622, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-262-1622 |
| Primary Part Number | 240711AAAD |
| 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 |
| Indicator Type | DIAL-COUNTER |
| Terminal Quantity | 2 |
| Movement Type | ELECTRICAL |
| Current Type | AC |
| Terminal Type | THREADED STUD |
| Operating Frequency | 60.0 HERTZ NOMINAL |
| Hermetic Protection | NOT PROVIDED |
| Unit Type | MOUNTED |
| Reset Feature | NOT PROVIDED |
| Mounting Configuration | FOUR 0.128 IN. DIA MTG HOLES EQUALLY SPACED ON 2.24 IN CENTERS IN |
| Material | PLASTIC CASE |
| Mounting Type | PANEL |
| Voltage Rating | 120.0 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 |
|---|---|
| 240711AAAD PRIMARY | Hughes Corporation Dba Mac Group, the Div Weschler Instruments (USA) |
| Reference | Meaning |
|---|---|
| 240-711AAAD7 | 5/9 Secondary reference Yokogawa Corporation of America |
| 50-240711AAAD1 | 5/9 Secondary reference Yokogawa Corporation of America |
NSN 6645-01-262-1622 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 6645-01-262-1622 has 1 manufacturer part number on file: 240711AAAD (Hughes Corporation Dba Mac Group, the Div Weschler Instruments).
1 possible match (shared part number, not a government interchangeability claim): 6645-01-316-2183. Verify interchangeability with system specifications before substitution.
Key specifications for 240711AAAD: Electrical Movement Type: MOTOR; Overall Height: 3.000 INCHES NOMINAL IN; Indicator Type: DIAL-COUNTER; Terminal Quantity: 2. 15 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.