The Generator,time Code, cataloged under National Stock Number 6645-01-520-6563, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Microsemi Frequency and Time Corp. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6645-01-520-6563 |
| Primary Part Number | ET6000-RBI; GPS OPTS 20C, 31 |
| Item Name | Generator,time Code |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Microsemi Frequency and Time Corp |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Frequency Per Channel | 47.0 HERTZ MINIMUM OPERATING CHANNEL AND 440.0 HERTZ MAXIMUM OPERATING CHANNEL |
| Signal Voltage Rating Per Channel | 85.000 VOLTS MINIMUM INPUT AND 264.000 VOLTS MAXIMUM INPUT |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Operating Temp Range | +0.0 TO 50.0 CELSIUS DEGC |
| 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 |
|---|---|
| ET6000-RBI; GPS OPTS 20C, 31 PRIMARY | Microsemi Frequency and Time Corp (USA) |
| Reference | Meaning |
|---|---|
| ET6000-15A-20C-31 | 5/9 Secondary reference Microsemi Frequency and Time Corp |
NSN 6645-01-520-6563 is a Generator,time Code, manufactured by Microsemi Frequency and Time Corp, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-520-6563 has 1 manufacturer part number on file: ET6000-RBI; GPS OPTS 20C, 31 (Microsemi Frequency and Time Corp).
Key specifications for ET6000-RBI; GPS OPTS 20C, 31: Circuit Construction Type: SOLID STATE; Frequency Per Channel: 47.0 HERTZ MINIMUM OPERATING CHANNEL AND 440.0 HERTZ MAXIMUM OPERATING CHANNEL; Signal Voltage Rating Per Channel: 85.000 VOLTS MINIMUM INPUT AND 264.000 VOLTS MAXIMUM INPUT; Basic Shape Style: RECTANGULAR OR SQUARE. 5 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.