The Dial,clock, cataloged under National Stock Number 6645-00-445-7770, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is The Chelsea Clock Llc. 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-00-445-7770 |
| Primary Part Number | 51483 |
| Item Name | Dial,clock |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | The Chelsea Clock Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 6.000 IN. DIA; 12 HR; BLACK BACKGROUND,WHITE NUMERALS IN |
| 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 |
|---|---|
| 51483 PRIMARY | The Chelsea Clock Llc (USA) |
NSN 6645-00-445-7770 is a Dial,clock, manufactured by The Chelsea Clock Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-00-445-7770 has 1 manufacturer part number on file: 51483 (The Chelsea Clock Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5360-00-919-8386, 5325-00-999-8249, 5331-01-283-5423. Verify interchangeability with system specifications before substitution.
Key specifications for 51483: General Characteristics Item Description: 6.000 IN. DIA; 12 HR; BLACK BACKGROUND,WHITE NUMERALS IN. 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.