The Stopwatch, cataloged under National Stock Number 6645-00-250-4680, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6645-00-250-4680 |
| Primary Part Number | 6645002504680 |
| Item Name | Stopwatch |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | General Services Administration Federal Supply Service |
| Status | CANCELLED |
| Major Graduation Color | ANY ACCEPTABLE |
| Scale Name | MINUTE TOTALIZING AND SECOND |
| Crystal Type | ANY ACCEPTABLE |
| Movement Size Designation | 16 |
| Winding Device Location | ANY ACCEPTABLE |
| Control Method | CROWN OR PUSH-PIECE |
| Sweep Hand Quantity | 1 |
| Totalizer Dial Range in Minutes | +0.0 TO 30.0 |
| Furnished Items | SEPERATE TOTALIZER DIAL AND SHOCKPROOF FEATURE AND NONMAGNETIC CHARACTERISTIC |
| Submersibility | NONSUBMERSIBLE |
| Escapement Type | ANY ACCEPTABLE |
| Scale Quantity | 2 |
| Scale Range | +0.0 TO 30.0 MINUTE AND +0.0 TO 60.0 SECOND |
| Movement Type | CONTINUOUS RUNNING |
| Graduation Unit | 1.000 MINUTE AND 0.200 SECOND |
| Dial Scale Marking Luminosity | NONLUMINOUS |
| Dial Scale Marking Color | ANY ACCEPTABLE |
| Face Type | OPEN POCKET |
| Total Reader Time in Minutes | 30.0 |
| Jewel Quantity | 7 |
| Color | WHITE BACKGROUND |
| Minor Graduation Color | ANY ACCEPTABLE |
| Winding Method | STEM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M0DEL11609 | Waltham Clock Co Inc (USA) |
| 13H3103LT | Lafayette Industrial Electronics Inc (USA) |
| A3105612 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| WE | Elgin National Industries Inc (USA) |
| 107H | Feldmar Watch Co Inc Dba Feldmar Watch & Clock Center (USA) |
| A-A-2580 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| GG-S-764 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 6645002504680 PRIMARY | General Services Administration Federal Supply Service (USA) |
| 73535 | Central Scientific Co Educational (USA) |
| 02A | Vdo Control Systems Inc (USA) |
| 10531878 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| G301055 | At and T Co Advanced Technology Systems (USA) |
| 105 | Ducommun M Co Inc Warwick Div (USA) |
| 232TMU | Meylan Corp (USA) |
| 1769 | Elgin National Industries Inc (USA) |
| GALLET300 | Smith Time Inc (USA) |
| 419 | Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco (USA) |
| 1778 | Elgin National Industries Inc (USA) |
| 136 | Ducommun M Co Inc Warwick Div (USA) |
| GG-S-764 TY1CL2 | General Services Administration Federal Supply Service (USA) |
NSN 6645-00-250-4680 is a Stopwatch, manufactured by General Services Administration Federal Supply Service, classified under FSC 6645 (No Item Name Available). Status: cancelled.
NSN 6645-00-250-4680 has 26 cross-referenced part numbers: M0DEL11609 (Waltham Clock Co Inc), 13H3103LT (Lafayette Industrial Electronics Inc), A3105612 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), WE (Elgin National Industries Inc), 107H (Feldmar Watch Co Inc Dba Feldmar Watch & Clock Center) and 21 more.
There are 12 known substitutes for 6645-00-250-4680: 5330-00-118-6726, 3110-00-155-8957, 3895-00-160-3344 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6645002504680: Major Graduation Color: ANY ACCEPTABLE; Scale Name: MINUTE TOTALIZING AND SECOND; Crystal Type: ANY ACCEPTABLE; Movement Size Designation: 16. 24 total characteristics are documented in the Federal Logistics Information System.
NSN 6645-00-250-4680 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.