The Selector Unit,time, cataloged under National Stock Number 5865-01-164-9863, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5865-01-164-9863 |
| Item Name | Selector Unit,time |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | RECEIVES TIME CODE FROM THREE INDEPENDENT CESIUM STANDARDS AND SELECTS 5 MHZ,1 PULSE-PER-SEC,1 PULSE-PER-MINUTE,AND BINARY-CODED-DECIMAL FROM ONE STANDARD FOR DISTRIBUTION; WITH FAILURE OF ON-LINE STANDARD,SWITCHING UNIT AUTOMATICALLY GOES TO EITHER OF THE OTHER TWO STANDARDS; 1 PPS AND BCD TIME CODE FROM EXTERNAL NAVIGATION CENTER AND 1 PPS AND 2137 TIME CODES FROM RECEIVER,S TIME CODE GENERATOR INPUT TO SWITCHING UNIT WHICH HAS FRONT PANEL LED TIME-OF-DAY DISPLAY; SWITCHOVER COMPLETED WITHIN 200 NANOSECS; BACK-UP RECHARGEABLE BATTERY MAINTAINS SIGNAL OUTPUTS FOR HOUR; OPER PWR RQMTS 115 VAC,60 HZ,SINGLE PH; O/A DIMS 19.0 IN. LG; 18.0 IN. W; 5.67 IN. H; RACK MOUNTED MHz |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 02-1236005-1 | 5/9 Secondary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
| SA-2239/WLQ-4(V) | 3/2 Design control — primary reference U.S. Government activity |
NSN 5865-01-164-9863 is a Selector Unit,time, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
Key specifications for 5865-01-164-9863: General Characteristics Item Description: RECEIVES TIME CODE FROM THREE INDEPENDENT CESIUM STANDARDS AND SELECTS 5 MHZ,1 PULSE-PER-SEC,1 PULSE-PER-MINUTE,AND BINARY-CODED-DECIMAL FROM ONE STANDARD FOR DISTRIBUTION; WITH FAILURE OF ON-LINE STANDARD,SWITCHING UNIT AUTOMATICALLY GOES TO EITHER OF THE OTHER TWO STANDARDS; 1 PPS AND BCD TIME CODE FROM EXTERNAL NAVIGATION CENTER AND 1 PPS AND 2137 TIME CODES FROM RECEIVER,S TIME CODE GENERATOR INPUT TO SWITCHING UNIT WHICH HAS FRONT PANEL LED TIME-OF-DAY DISPLAY; SWITCHOVER COMPLETED WITHIN 200 NANOSECS; BACK-UP RECHARGEABLE BATTERY MAINTAINS SIGNAL OUTPUTS FOR HOUR; OPER PWR RQMTS 115 VAC,60 HZ,SINGLE PH; O/A DIMS 19.0 IN. LG; 18.0 IN. W; 5.67 IN. H; RACK MOUNTED MHz. 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.
NSN 5865-01-164-9863 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.