The Clock,marine,mechanical, cataloged under National Stock Number 6645-01-309-6455, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is The Chelsea Clock Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-309-6455 |
| Primary Part Number | 20879 |
| Item Name | Clock,marine,mechanical |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | The Chelsea Clock Llc |
| Status | ACTIVE |
| Face Type | OPEN |
| Scale Range | +12.0 TO 24.0 HOUR |
| Dial Outside Diameter | 6.000 INCHES IN |
| Striking Mechanism | NOT INCLUDED |
| Shockproof Feature | PROVIDED |
| Crystal Type | ANY ACCEPTABLE |
| Second Hand Type | SWEEP |
| Second Hand Color | BLACK |
| Scale Name | ANY ACCEPTABLE |
| Material | PLASTIC PHENOLIC CASE |
| Color | WHITE BACKGROUND |
| Civil Date Indicator | NOT INCLUDED |
| Luminous Dial | NOT INCLUDED |
| Plastic Case Color | BLACK |
| Bezel Type | HINGED |
| Maximum Running Time | 8.0 DAYS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20879 PRIMARY | The Chelsea Clock Llc (USA) |
NSN 6645-01-309-6455 is a Clock,marine,mechanical, manufactured by The Chelsea Clock Llc, classified under FSC 6645 (No Item Name Available). Status: active.
NSN 6645-01-309-6455 has 1 cross-referenced part number: 20879 (The Chelsea Clock Llc).
There are 3 known substitutes for 6645-01-309-6455: 5910-00-835-6855, 2805-00-989-1496, 5330-01-437-6382. Verify interchangeability with system specifications before substitution.
Key specifications for 20879: Face Type: OPEN; Scale Range: +12.0 TO 24.0 HOUR; End Item Identification: 5895-01-121-4485; Dial Outside Diameter: 6.000 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.