PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MT-500Tachometer,mechanical,handheld

Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco · NSN 6680-00-171-4584 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-171-4584 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-171-4584. Primary manufacturer part number: MT-500.
Features
  • Tachometer,mechanical,handheld — FSC 6680
  • Overall Diameter: 3.250 INCHES NOMINAL IN
  • Accessory Components and Quantity: 1 CONCAVE RUBBER TIP,1 CONVEX RUBBER TIP,1 SMALL CONVEX RUBBER TIP,1 TRIANGULAR STEEL TIP,1 4.000 IN. EXTENSION SHAFT,1 6.000 IN. CIRCUMFERENCE MEASURING WHEEL IN
  • Manual Reset: NOT PROVIDED
  • Scale Measurement Unit: REVOLUTIONS PER MINUTE
  • Unit Type: CENTRIFUGAL
  • Carrying Case: PROVIDED
  • Measurement Unit: REVOLUTIONS PER MINUTE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tachometer,mechanical,handheld, cataloged under National Stock Number 6680-00-171-4584, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6680-00-171-4584
Primary Part NumberMT-500
Item NameTachometer,mechanical,handheld
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHerman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
StatusCANCELLED
Overall Diameter3.250 INCHES NOMINAL IN
Accessory Components and Quantity1 CONCAVE RUBBER TIP,1 CONVEX RUBBER TIP,1 SMALL CONVEX RUBBER TIP,1 TRIANGULAR STEEL TIP,1 4.000 IN. EXTENSION SHAFT,1 6.000 IN. CIRCUMFERENCE MEASURING WHEEL IN
Manual ResetNOT PROVIDED
Scale Measurement UnitREVOLUTIONS PER MINUTE
Unit TypeCENTRIFUGAL
Carrying CasePROVIDED
Measurement UnitREVOLUTIONS PER MINUTE
Operating Range+50.0 TO 50000.0 FEET PER MINUTE FT
Speed SelectorPROVIDED
Scale Measurement Range+50.0 TO 500.0
Scale Quantity1
Pointer Quantity1
Speed Selector Measurement Range+50.0 TO 500.0 REVOLUTIONS PER MINUTE AND +500.0 TO 5000.0 REVOLUTIONS PER MINUTE AND +5000.0 TO 50000.0 REVOLUTIONS PER MINUTE
Scale Smallest Increment2.0 REVOLUTIONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
7510-01-315-911005721 INTERCHANGEABLE
Eyelet Reinforcement
Avery Label
6625-01-316-6447 INTERCHANGEABLE
Multimeter
6640-01-531-1342 INTERCHANGEABLE
Tripod,laboratory Apparatus
Cross-Reference Index
Part NumberManufacturer
MT-500 Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco (USA)
653745 Schulze Mfg., Inc. (USA)
1412 Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco (USA)
653745 Jones Instrument Corp (USA)
4800 Schulze Mfg., Inc. (USA)
4800 Jones Instrument Corp (USA)
JX5500 Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco (USA)
Related Parts
7510-01-315-9110INTERCHANGEABLE
EYELET REINFORCEMENT
05721
6625-01-316-6447INTERCHANGEABLE
MULTIMETER
6640-01-531-1342INTERCHANGEABLE
TRIPOD,LABORATORY APPARATUS

Frequently Asked Questions

What is NSN 6680-00-171-4584?

NSN 6680-00-171-4584 is a Tachometer,mechanical,handheld, manufactured by Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco, classified under FSC 6680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6680-00-171-4584?

NSN 6680-00-171-4584 has 7 cross-referenced part numbers: MT-500 (Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco), 653745 (Schulze Mfg., Inc.), 1412 (Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco), 653745 (Jones Instrument Corp), 4800 (Schulze Mfg., Inc.) and 2 more.

What NSN replaces 6680-00-171-4584?

There are 3 known substitutes for 6680-00-171-4584: 7510-01-315-9110, 6625-01-316-6447, 6640-01-531-1342. Verify interchangeability with system specifications before substitution.

What are the specifications of MT-500?

Key specifications for MT-500: Overall Diameter: 3.250 INCHES NOMINAL IN; Accessory Components and Quantity: 1 CONCAVE RUBBER TIP,1 CONVEX RUBBER TIP,1 SMALL CONVEX RUBBER TIP,1 TRIANGULAR STEEL TIP,1 4.000 IN. EXTENSION SHAFT,1 6.000 IN. CIRCUMFERENCE MEASURING WHEEL IN; Manual Reset: NOT PROVIDED; Scale Measurement Unit: REVOLUTIONS PER MINUTE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-00-171-4584 still in active supply?

NSN 6680-00-171-4584 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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