PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X981-2Counter,rotating

Bowmar Llc Dba Bowmar Instrument Corp · NSN 6680-00-729-6189 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-729-6189 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-729-6189. Primary manufacturer part number: X981-2.
Features
  • Counter,rotating — FSC 6680
  • Longest Vertical Distance Between Mounting Centers: 0.940 INCHES NOMINAL IN
  • Shaft Length: 0.250 INCHES NOMINAL IN
  • Maximum Count Rate: UNABLE TO DECODE
  • Color: WHITE SECOND TEMP COEFFICIENT
  • Actuating Device Location: RIGHT SIDE SINGLE REGISTER SINGLE TIER
  • Mounting Facility Type and Quantity: 3 THREADED HOLE(S)
  • Numeral Display Method: DRUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counter,rotating, cataloged under National Stock Number 6680-00-729-6189, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bowmar Llc Dba Bowmar Instrument Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN6680-00-729-6189
Primary Part NumberX981-2
Item NameCounter,rotating
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerBowmar Llc Dba Bowmar Instrument Corp
StatusCANCELLED
Longest Vertical Distance Between Mounting Centers0.940 INCHES NOMINAL IN
Shaft Length0.250 INCHES NOMINAL IN
Maximum Count RateUNABLE TO DECODE
ColorWHITE SECOND TEMP COEFFICIENT
Actuating Device LocationRIGHT SIDE SINGLE REGISTER SINGLE TIER
Mounting Facility Type and Quantity3 THREADED HOLE(S)
Numeral Display MethodDRUM
Style DesignatorSQUARE/RECTANGULAR CASED
Mounting Type for Which DesignedUNABLE TO DECODE
ColorBLACK THIRD TEMP COEFFICIENT
Longest Horizontal Distance Between Mounting Centers0.600 INCHES NOMINAL IN
Figure Quantity Per RegisterUNABLE TO DECODE
Shaft Diameter0.1247 INCHES NOMINAL IN
Register Quantity1
Figure HeightUNABLE TO DECODE
Shaft Revolutions Per CountUNABLE TO DECODE
Register FunctionUNABLE TO DECODE
Mounting Arrangement StyleFOUR POSITION SQUARE/RECTANGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2990-00-065-283322965 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5930-00-075-46739-8107-SC-8T INTERCHANGEABLE
Switch,mercury
Dwyer Instruments Inc
5340-00-197-0385 INTERCHANGEABLE
Plug,expansion
4730-00-203-396711295P11 INTERCHANGEABLE
Coupling,pipe
Taylor Machine Works Inc
4320-00-218-3122981 INTERCHANGEABLE
Ring,lantern
Weil Pump Co Inc
4730-00-223-8041601A INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
5930-00-265-9503263X76 INTERCHANGEABLE
Switch,push
General Electric Company
6210-00-325-30261765-30 INTERCHANGEABLE
Lens,light
Te Connectivity Corporation
9390-00-547-5959X981 INTERCHANGEABLE
Nonmetallic Channel
Atlantic India Rubber Co Inc
6250-00-643-034598-1 INTERCHANGEABLE
Lampholder
Amphenol Corp Div Amphenol Aerospace Operations
Cross-Reference Index
Part NumberManufacturer
981 Bowmar Llc Dba Bowmar Instrument Corp (USA)
X981 Bowmar Llc Dba Bowmar Instrument Corp (USA)
1503 Bowmar Llc Dba Bowmar Instrument Corp (USA)
SMD373680-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
X981-2 PRIMARY Bowmar Llc Dba Bowmar Instrument Corp (USA)
Related Parts
2990-00-065-2833INTERCHANGEABLE
MUFFLER,EXHAUST
22965
5930-00-075-4673INTERCHANGEABLE
SWITCH,MERCURY
9-8107-SC-8T
5340-00-197-0385INTERCHANGEABLE
PLUG,EXPANSION
4730-00-203-3967INTERCHANGEABLE
COUPLING,PIPE
11295P11
4320-00-218-3122INTERCHANGEABLE
RING,LANTERN
981
4730-00-223-8041INTERCHANGEABLE
TRAP,STEAM
601A
5930-00-265-9503INTERCHANGEABLE
SWITCH,PUSH
263X76
6210-00-325-3026INTERCHANGEABLE
LENS,LIGHT
1765-30
9390-00-547-5959INTERCHANGEABLE
NONMETALLIC CHANNEL
X981
6250-00-643-0345INTERCHANGEABLE
LAMPHOLDER
98-1
6110-00-718-0597INTERCHANGEABLE
CONTACT,CONTROLLER
5915-00-722-1448INTERCHANGEABLE
FILTER,BAND PASS

Frequently Asked Questions

What is NSN 6680-00-729-6189?

NSN 6680-00-729-6189 is a Counter,rotating, manufactured by Bowmar Llc Dba Bowmar Instrument Corp, classified under FSC 6680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6680-00-729-6189?

NSN 6680-00-729-6189 has 5 cross-referenced part numbers: 981 (Bowmar Llc Dba Bowmar Instrument Corp), X981 (Bowmar Llc Dba Bowmar Instrument Corp), 1503 (Bowmar Llc Dba Bowmar Instrument Corp), SMD373680-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), X981-2 (Bowmar Llc Dba Bowmar Instrument Corp).

What NSN replaces 6680-00-729-6189?

There are 12 known substitutes for 6680-00-729-6189: 2990-00-065-2833, 5930-00-075-4673, 5340-00-197-0385 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X981-2?

Key specifications for X981-2: Longest Vertical Distance Between Mounting Centers: 0.940 INCHES NOMINAL IN; Shaft Length: 0.250 INCHES NOMINAL IN; Overall Length: 1.420 INCHES NOMINAL IN; Maximum Count Rate: UNABLE TO DECODE. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-00-729-6189 still in active supply?

NSN 6680-00-729-6189 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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