PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC-B-18947Counter,rotating

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 6680-00-663-4494 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-663-4494 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-663-4494. Primary manufacturer part number: SC-B-18947.
Features
  • Counter,rotating — FSC 6680
  • Mounting Type for Which Designed: UNABLE TO DECODE
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S)
  • Color: WHITE THIRD TEMP COEFFICIENT
  • Style Designator: UNENCLOSED SQUARE OR RECTANGULAR
  • Register Quantity: 1
  • Figure Height: UNABLE TO DECODE
  • Register Function: UNABLE TO DECODE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counter,rotating, cataloged under National Stock Number 6680-00-663-4494, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 14 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: Active.

Technical Specifications
ParameterValue
NSN6680-00-663-4494
Primary Part NumberSC-B-18947
Item NameCounter,rotating
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Mounting Type for Which DesignedUNABLE TO DECODE
Mounting Facility Type and Quantity2 THREADED HOLE(S)
ColorWHITE THIRD TEMP COEFFICIENT
Style DesignatorUNENCLOSED SQUARE OR RECTANGULAR
Register Quantity1
Figure HeightUNABLE TO DECODE
Register FunctionUNABLE TO DECODE
Longest Horizontal Distance Between Mounting Centers0.985 INCHES NOMINAL IN
Figure Quantity Per RegisterUNABLE TO DECODE
Mounting Arrangement StyleTWO POSITION HORIZONTAL
Shaft Revolutions Per CountUNABLE TO DECODE
ColorBLACK SECOND TEMP COEFFICIENT
Actuating Device LocationLEFT SIDE SINGLE REGISTER SINGLE TIER
Numeral Display MethodDRUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-079-8991SC2 INTERCHANGEABLE
Insulating Cover
Burndy Llc
5315-00-153-6733SC2 INTERCHANGEABLE
Pin,straight,threaded
Circor Naval Solutions Llc Dba Warren Pumps
5110-00-223-62815110-00-223-6281 INTERCHANGEABLE
Cutter,steel Strapping
General Services Administration Federal Supply Service
6640-00-270-0100 INTERCHANGEABLE
Flask,dewar
3455-00-307-9536 INTERCHANGEABLE
File,rotary
5961-00-724-5529SC2 INTERCHANGEABLE
Semiconductor Device,diode
Semtech Corporation
5340-00-826-7874SC2 INTERCHANGEABLE
Cap,protective,dust and Moisture
Tubing Seal Cap Div of Vsi Corp Sub of Fairchild Industries Inc
5961-00-880-47831N4002 INTERCHANGEABLE
Semiconductor Device,diode
Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters
5961-00-902-6933 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-995-7259SC2 INTERCHANGEABLE
Semiconductor Device,diode
Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp
Cross-Reference Index
Part NumberManufacturer
SC-B-18947 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SC2 National Numbering Machine Co (USA)
15684V National Numbering Machine Co (USA)
Related Parts
5970-00-079-8991INTERCHANGEABLE
INSULATING COVER
SC2
5315-00-153-6733INTERCHANGEABLE
PIN,STRAIGHT,THREADED
SC2
5110-00-223-6281INTERCHANGEABLE
CUTTER,STEEL STRAPPING
5110-00-223-6281
6640-00-270-0100INTERCHANGEABLE
FLASK,DEWAR
3455-00-307-9536INTERCHANGEABLE
FILE,ROTARY
5961-00-724-5529INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
SC2
5340-00-826-7874INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
SC2
5961-00-880-4783INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4002
5961-00-902-6933INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-995-7259INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
SC2
5998-01-094-3156INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5920-01-133-2667INTERCHANGEABLE
FUSE,CARTRIDGE
SC-2

Frequently Asked Questions

What is NSN 6680-00-663-4494?

NSN 6680-00-663-4494 is a Counter,rotating, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-663-4494?

NSN 6680-00-663-4494 has 3 cross-referenced part numbers: SC-B-18947 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SC2 (National Numbering Machine Co), 15684V (National Numbering Machine Co).

What NSN replaces 6680-00-663-4494?

There are 12 known substitutes for 6680-00-663-4494: 5970-00-079-8991, 5315-00-153-6733, 5110-00-223-6281 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SC-B-18947?

Key specifications for SC-B-18947: Overall Width: 1.438 INCHES NOMINAL IN; Mounting Type for Which Designed: UNABLE TO DECODE; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Color: WHITE THIRD TEMP COEFFICIENT. 18 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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