The Clock,panel, cataloged under National Stock Number 6645-01-108-7904, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is U S Dept of Transportation Federal Aviation Administration. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-108-7904 |
| Primary Part Number | 2890331-3 |
| Item Name | Clock,panel |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| 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 |
|---|---|
| 16A100 | Kelly Manufacturing Company (USA) |
| 16-100L | Kelly Manufacturing Company (USA) |
| 2890331-3 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| 16-100L | 5/9 Secondary reference Allen R C Instruments Inc |
| 16A100 | 5/9 Secondary reference Allen R C Instruments Inc |
| 3850091 | 5/9 Secondary reference Gulfstream Aerospace Corp Dba Gulfstream Aerospace Technologies |
NSN 6645-01-108-7904 is a Clock,panel, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-108-7904 has 3 manufacturer part numbers on file: 16A100 (Kelly Manufacturing Company), 16-100L (Kelly Manufacturing Company), 2890331-3 (U S Dept of Transportation Federal Aviation Administration).
Key specifications for 2890331-3: Overall Height: 2.375 INCHES NOMINAL IN; Overall Width: 2.375 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CLOCK,AIRCRAFT,MECHANICAL. 0 specifications are 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.