The Clock,digital, cataloged under National Stock Number 6645-01-133-1827, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-133-1827 |
| Item Name | Clock,digital |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Status | ACTIVE |
| General Characteristics Item Description | SOLID STATE W/ SEVEN-SEGMENT LED DIGITS; 3.500 IN. DIGITAL DISPLAY; SIX DIGIT READOUT; 48.0 HOUR TIME-BASE; QUARTZ CRYSTAL TIME BASE; OPERATIONAL EVEN W/ TIME FAILURE; 50 OR 60 HZ; 115 VAC; USED IN MONITORING EXERCISE,EWO AND CONTINGENCY OPERATIONS; O/A DIM. 18.000 IN. W,5.000 IN. H,1.725 IN. DP VAC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| C624 | 5/9 Secondary reference Condor Electronics Inc |
| ET520TB-99-60HZ-117V | 3/9 Design control — primary reference Condor Electronics Inc |
NSN 6645-01-133-1827 is a Clock,digital, classified under FSC 6645, Time Measuring Instruments. Status: active.
Key specifications for 6645-01-133-1827: General Characteristics Item Description: SOLID STATE W/ SEVEN-SEGMENT LED DIGITS; 3.500 IN. DIGITAL DISPLAY; SIX DIGIT READOUT; 48.0 HOUR TIME-BASE; QUARTZ CRYSTAL TIME BASE; OPERATIONAL EVEN W/ TIME FAILURE; 50 OR 60 HZ; 115 VAC; USED IN MONITORING EXERCISE,EWO AND CONTINGENCY OPERATIONS; O/A DIM. 18.000 IN. W,5.000 IN. H,1.725 IN. DP VAC. 1 specification is 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.