The Radio Receiver-Digital Clock, cataloged under National Stock Number 6645-01-267-1571, 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 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-267-1571 |
| Primary Part Number | 151-30 |
| Item Name | Radio Receiver-Digital Clock |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Symmetricom, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | DISPLAYS DAYS,HOURS,MINUTES,SECONDS AND SHOWS PHASE LOCK TO WWVB BY A LED; OUTPUTS ON REAR PANEL INCLUDE 1 HZ,SLOW CODE,60 HZ (PRECISION),1KHZ,& IRIG B; AUTOMATIC DST CORRECTION; POWER: 95-135 VAC 60-400 HZ; MOUNTS IN STANDARD 19.000 IN. RACK; 7.25 LB; 0 TO 50 DEC C OPER TEMP; 0.500 IN. H GAS DISCHARGE PLANAR DISPLAY KHz |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 151-30 PRIMARY | Symmetricom, Inc (USA) |
| Reference | Meaning |
|---|---|
| 60-DC | 5/1 Secondary reference Symmetricom, Inc |
| 169351-001 | 5/9 Secondary reference Maron Inc |
| 169351-001 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Corporation Div L3harris Technologies Inc Dba Harris Corporation |
| 60-DC-S-25P | 5/9 Secondary reference Symmetricom, Inc |
| 60-DC-S-25P | 5/9 Secondary reference Maron Inc |
NSN 6645-01-267-1571 is a Radio Receiver-Digital Clock, manufactured by Symmetricom, Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-267-1571 has 1 manufacturer part number on file: 151-30 (Symmetricom, Inc).
Key specifications for 151-30: General Characteristics Item Description: DISPLAYS DAYS,HOURS,MINUTES,SECONDS AND SHOWS PHASE LOCK TO WWVB BY A LED; OUTPUTS ON REAR PANEL INCLUDE 1 HZ,SLOW CODE,60 HZ (PRECISION),1KHZ,& IRIG B; AUTOMATIC DST CORRECTION; POWER: 95-135 VAC 60-400 HZ; MOUNTS IN STANDARD 19.000 IN. RACK; 7.25 LB; 0 TO 50 DEC C OPER TEMP; 0.500 IN. H GAS DISCHARGE PLANAR DISPLAY KHz. 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 6645-01-267-1571 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.