PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11995T1Tachometer,mechanical,handheld

Mcmaster-Carr Supply Co · NSN 6680-01-161-0660 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-161-0660 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-161-0660. Primary manufacturer part number: 11995T1.
Features
  • Tachometer,mechanical,handheld — FSC 6680
  • Carrying Case: PROVIDED
  • Operating Range: +0.1 TO 25000.0 REVOLUTIONS PER MINUTE
  • Scale Measurement Unit: REVOLUTIONS PER MINUTE
  • Manual Reset: NOT PROVIDED
  • Scale Quantity: 1
  • Scale Smallest Increment: 0.1 REVOLUTIONS PER MINUTE
  • Scale Measurement Range: +0.1 TO 25000.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tachometer,mechanical,handheld, cataloged under National Stock Number 6680-01-161-0660, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN6680-01-161-0660
Primary Part Number11995T1
Item NameTachometer,mechanical,handheld
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusCANCELLED
Carrying CasePROVIDED
Operating Range+0.1 TO 25000.0 REVOLUTIONS PER MINUTE
Scale Measurement UnitREVOLUTIONS PER MINUTE
Manual ResetNOT PROVIDED
Scale Quantity1
Scale Smallest Increment0.1 REVOLUTIONS PER MINUTE
Scale Measurement Range+0.1 TO 25000.0
Unit TypeCENTRIFUGAL
Speed SelectorPROVIDED
Pointer Quantity0
Measurement UnitFEET PER MINUTE AND REVOLUTIONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-062-0721 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-00-140-97711707 INTERCHANGEABLE
Valve,relief,pressure and Temper
Pneudraulics, Inc.
5977-00-142-45101707 INTERCHANGEABLE
Brush,electrical Contact
Bosch Security Systems, Llc
5110-00-221-1085207 INTERCHANGEABLE
Shears,metal Cutting,hand
Stanley Tools Div of Stanley Works
5950-00-233-7651905258-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5315-00-276-40901707A INTERCHANGEABLE
Pin,straight,headed
Brinkley Technology Group Llc Dba Hercules Manufacturing
5120-00-277-1249 INTERCHANGEABLE
Wrench,open End
5975-00-521-38281707 INTERCHANGEABLE
Disc Cover
Abb Installation Products Inc
5950-00-527-9075 INTERCHANGEABLE
Transformer,audio Frequency
5962-01-025-86351707 INTERCHANGEABLE
Microcircuit,digital
Industrial Electronic Engineers, Inc.
Cross-Reference Index
Part NumberManufacturer
8495T12 Mcmaster-Carr Supply Co (USA)
1707 Power Instruments Inc (USA)
11995T1 PRIMARY Mcmaster-Carr Supply Co (USA)
Related Parts
5905-00-062-0721INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-00-140-9771INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
1707
5977-00-142-4510INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
1707
5110-00-221-1085INTERCHANGEABLE
SHEARS,METAL CUTTING,HAND
207
5950-00-233-7651INTERCHANGEABLE
TRANSFORMER,POWER
905258-1
5315-00-276-4090INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1707A
5120-00-277-1249INTERCHANGEABLE
WRENCH,OPEN END
5975-00-521-3828INTERCHANGEABLE
DISC COVER
1707
5950-00-527-9075INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5962-01-025-8635INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
1707
5306-01-101-4766INTERCHANGEABLE
BOLT,MACHINE
123478-N14
5120-01-143-9600INTERCHANGEABLE
TOOL KIT,STAKING,GENERAL PURPOSE
1707

Frequently Asked Questions

What is NSN 6680-01-161-0660?

NSN 6680-01-161-0660 is a Tachometer,mechanical,handheld, manufactured by Mcmaster-Carr Supply Co, classified under FSC 6680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6680-01-161-0660?

NSN 6680-01-161-0660 has 3 cross-referenced part numbers: 8495T12 (Mcmaster-Carr Supply Co), 1707 (Power Instruments Inc), 11995T1 (Mcmaster-Carr Supply Co).

What NSN replaces 6680-01-161-0660?

There are 12 known substitutes for 6680-01-161-0660: 5905-00-062-0721, 4820-00-140-9771, 5977-00-142-4510 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11995T1?

Key specifications for 11995T1: Carrying Case: PROVIDED; Overall Depth: 1.875 INCHES NOMINAL IN; Operating Range: +0.1 TO 25000.0 REVOLUTIONS PER MINUTE; Scale Measurement Unit: REVOLUTIONS PER MINUTE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-01-161-0660 still in active supply?

NSN 6680-01-161-0660 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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