PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

811-100Stopwatch

Elecsys International, Llc · NSN 6645-01-242-8371 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-242-8371 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-242-8371. Primary manufacturer part number: 811-100.
Features
  • Stopwatch — FSC 6645
  • Movement Type: CONTINUOUS RUNNING
  • Control Method: START, STOP AND FLYBACK FROM CROWN
  • 1 verified cross-reference
  • Primary manufacturer: Elecsys International, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stopwatch, cataloged under National Stock Number 6645-01-242-8371, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Elecsys International, Llc. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-242-8371
Primary Part Number811-100
Item NameStopwatch
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerElecsys International, Llc
StatusACTIVE
Movement TypeCONTINUOUS RUNNING
Control MethodSTART, STOP AND FLYBACK FROM CROWN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5110-01-240-046981-1-100 INTERCHANGEABLE
Extractor,lead Wire
Gordon Kleinpeter Dba Gemtec Tool Company
7830-01-468-8028811100 INTERCHANGEABLE
Dumbbell Rack
Bsn Sports, Llc
Cross-Reference Index
Part NumberManufacturer
811-100 PRIMARY Elecsys International, Llc (USA)
Related Parts
5110-01-240-0469INTERCHANGEABLE
EXTRACTOR,LEAD WIRE
81-1-100
7830-01-468-8028INTERCHANGEABLE
DUMBBELL RACK
811100

Frequently Asked Questions

What is NSN 6645-01-242-8371?

NSN 6645-01-242-8371 is a Stopwatch, manufactured by Elecsys International, Llc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-242-8371?

NSN 6645-01-242-8371 has 1 cross-referenced part number: 811-100 (Elecsys International, Llc).

What NSN replaces 6645-01-242-8371?

There are 2 known substitutes for 6645-01-242-8371: 5110-01-240-0469, 7830-01-468-8028. Verify interchangeability with system specifications before substitution.

What are the specifications of 811-100?

Key specifications for 811-100: Movement Type: CONTINUOUS RUNNING; Control Method: START, STOP AND FLYBACK FROM CROWN; Special Features: ELECTRONIC; PANEL MOUNTED. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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