PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4401-HTachometer,mechanical,handheld

Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco · NSN 6680-00-242-4364 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-242-4364 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-242-4364. Primary manufacturer part number: 4401-H.
Features
  • Tachometer,mechanical,handheld — FSC 6680
  • Carrying Case: PROVIDED
  • Speed Selector: NOT PROVIDED
  • Nondefinitive Spec/std Data: IC/APB TYPE
  • Manual Reset: PROVIDED
  • Scale Quantity: 1
  • Operating Range: +0.0 TO 10000.0 REVOLUTIONS PER MINUTE
  • Scale Measurement Range: +0.0 TO 1000.0 AND +1000.0 TO 10000.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tachometer,mechanical,handheld, cataloged under National Stock Number 6680-00-242-4364, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6680-00-242-4364
Primary Part Number4401-H
Item NameTachometer,mechanical,handheld
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHerman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
StatusCANCELLED
Carrying CasePROVIDED
Speed SelectorNOT PROVIDED
Nondefinitive Spec/std DataIC/APB TYPE
Manual ResetPROVIDED
Scale Quantity1
Operating Range+0.0 TO 10000.0 REVOLUTIONS PER MINUTE
Scale Measurement Range+0.0 TO 1000.0 AND +1000.0 TO 10000.0
Pointer Quantity2
Measurement UnitREVOLUTIONS PER MINUTE
Time Interval in Seconds10.0
Scale Measurement UnitREVOLUTIONS PER MINUTE
Accessory Components and Quantity1 METAL MOUNTED CONICAL RUBBER TIP,1 RUBBER-LINED METAL CONE TIP,1 RUBBER-TIRED WHEEL TIP,1 TRIAAGULAR STEEL TIP,AND 1 4.000 IN. LG EXTENSION ROD IN
Scale Smallest Increment10.0 REVOLUTIONS PER MINUTE
Unit TypeCHRONOMETRIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6680-00-234-9245 INTERCHANGEABLE
Tachometer,mechanical,handheld
6680-00-276-7532312 INTERCHANGEABLE
Tachometer,mechanical,handheld
Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
6680-00-557-5328 INTERCHANGEABLE
Generator,tachometer
6320-00-893-2857 INTERCHANGEABLE
Indicator,ship's Engine Order
6680-00-921-1039 INTERCHANGEABLE
Tachometer,mechanical,handheld
6680-01-069-0428 INTERCHANGEABLE
Tachometer,mechanical,handheld
6680-01-069-1825 INTERCHANGEABLE
Tachometer,mechanical,handheld
Cross-Reference Index
Part NumberManufacturer
JAQUET MODEL 253 Jaquet Ag (CHE)
4401-H PRIMARY Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco (USA)
MIL-T-16049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6680-00-234-9245INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
6680-00-276-7532INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
312
6680-00-557-5328INTERCHANGEABLE
GENERATOR,TACHOMETER
6320-00-893-2857INTERCHANGEABLE
INDICATOR,SHIP'S ENGINE ORDER
6680-00-921-1039INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
6680-01-069-0428INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
6680-01-069-1825INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD

Frequently Asked Questions

What is NSN 6680-00-242-4364?

NSN 6680-00-242-4364 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 6680-00-242-4364?

NSN 6680-00-242-4364 has 3 cross-referenced part numbers: JAQUET MODEL 253 (Jaquet Ag), 4401-H (Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco), MIL-T-16049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6680-00-242-4364?

There are 7 known substitutes for 6680-00-242-4364: 6680-00-234-9245, 6680-00-276-7532, 6680-00-557-5328 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4401-H?

Key specifications for 4401-H: Carrying Case: PROVIDED; Speed Selector: NOT PROVIDED; Nondefinitive Spec/std Data: IC/APB TYPE; Manual Reset: PROVIDED. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-00-242-4364 still in active supply?

NSN 6680-00-242-4364 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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