The Generator,time Code, cataloged under National Stock Number 6645-01-477-0419, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Symmetricom, Inc. Government technical data includes 3 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 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 | 6645-01-477-0419 |
| Primary Part Number | 560-197-2 |
| Item Name | Generator,time Code |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Symmetricom, Inc |
| Status | ACTIVE |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | +00.0 TO 85.0 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 |
|---|---|
| 560-197-2 PRIMARY | Symmetricom, Inc (USA) |
NSN 6645-01-477-0419 is a Generator,time Code, manufactured by Symmetricom, Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-477-0419 has 1 manufacturer part number on file: 560-197-2 (Symmetricom, Inc).
1 possible match (shared part number, not a government interchangeability claim): 6645-01-592-7862. Verify interchangeability with system specifications before substitution.
Key specifications for 560-197-2: Overall Height: 5.220 INCHES NOMINAL IN; Overall Length: 19.000 INCHES NOMINAL IN; Overall Width: 14.000 INCHES NOMINAL IN; Basic Shape Style: RECTANGULAR OR SQUARE. 3 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.