The Stopwatch, cataloged under National Stock Number 6645-01-380-1075, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Faehr Electronic Timers Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-380-1075 |
| Primary Part Number | RS500 |
| Item Name | Stopwatch |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Faehr Electronic Timers Inc |
| Status | ACTIVE |
| Sweep Hand Quantity | 0 |
| Control Method | PUSH BUTTON ON SIDE OF CASE |
| Maximum Running Time | 24.0 HOURS |
| Display Type | LIQUID CRYSTAL |
| Material | PLASTIC CASE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RS500 PRIMARY | Faehr Electronic Timers Inc (USA) |
| CVC STOPWATCH | Dla Aviation Engineering Div Department of Defense (USA) |
NSN 6645-01-380-1075 is a Stopwatch, manufactured by Faehr Electronic Timers Inc, classified under FSC 6645 (No Item Name Available). Status: active.
NSN 6645-01-380-1075 has 2 cross-referenced part numbers: RS500 (Faehr Electronic Timers Inc), CVC STOPWATCH (Dla Aviation Engineering Div Department of Defense).
There are 12 known substitutes for 6645-01-380-1075: 6645-01-106-4302, 5325-01-236-7314, 6645-01-376-2329 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for RS500: Sweep Hand Quantity: 0; Special Features: DECIMAL HOURS UP TO 23.99999; 26 CHARACTER DISPLAY; 2000 ELEMENT/60000 CHARACTER MEMORY; SOFTWARE IBM PC COMPATIBLE USING LOTUS 1-2-3 AND DOS; 6 FT. SERIAL CABLE W/9 PIN D-TYPE CONNECTOR FT; Control Method: PUSH BUTTON ON SIDE OF CASE; Maximum Running Time: 24.0 HOURS. 6 total characteristics are documented in the Federal Logistics Information System.