# NSN 6645-01-724-4534: Clock, Master Regulating

NSN 6645-01-724-4534 (also written 6645017244534; NIIN 01-724-4534) is a clock, master regulating in Federal Supply Class 6645, Time Measuring Instruments. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6645-01-724-4534 (6645017244534)
- NIIN: 01-724-4534 (017244534)
- Item name: CLOCK,MASTER REGULATING
- Federal Supply Class: [FSC 6645 Time Measuring Instruments](https://nsnexplorer.com/fsc/6645/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACDC | CURRENT TYPE | AC |
| AFZE | OPERATING DC VOLTAGE IN VOLTS | 36.0 OR 72.0 |
| AGAV | END ITEM IDENTIFICATION | OL-797(V)16/U |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | MMC 2U MODULAR MASTER CLOCK |
| ELEC | VOLTAGE IN VOLTS | 90.0 OR 265.0 |
| FREQ | FREQUENCY IN HERTZ | 50.0 OR 60.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 033000021 | 03NF8 | BRANDYWINE COMMUNICATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-08 | $4,839.74 | 3 | LARKOS PACKING AND DISTRIBUTION INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6645017244534) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE4A526V1871](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6645017244534) | CLOCK, MASTER REGULA | LARKOS PACKING AND DISTRIBUTION INC. | $14,519.22 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6645017244534&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6645017244534
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/6645-01-724-4534/
JSON: https://nsnexplorer.com/api/nsn/6645-01-724-4534.json
