The Timer,interval, cataloged under National Stock Number 6645-01-334-0781, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-334-0781 |
| Primary Part Number | TSD-0103 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc |
| Status | ACTIVE |
| Current Type | DC |
| Voltage in Volts | 24.0 |
| Timer Type | ELECTRICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TSD-0103 PRIMARY | Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1771AS665 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| TSD-0103 | 3/9 Design control — primary reference Diversified Electronics Inc |
NSN 6645-01-334-0781 is a Timer,interval, manufactured by Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-334-0781 has 1 manufacturer part number on file: TSD-0103 (Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc).
Key specifications for TSD-0103: Overall Height: 1.000 INCHES NOMINAL IN; Current Type: DC; Voltage in Volts: 24.0; Overall Width: 2.000 INCHES NOMINAL IN. 3 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.
NSN 6645-01-334-0781 has DEMIL Code B. 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.