PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 681K
681K ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CALIPER,MICROMETER,INSIDE is a the manufacturer industrial component. Key specifications include design_type: TUBULAR, gaging_range: +4.000 TO 40.000 INCHES IN, graduation_unit: THOUSANDTHS OF AN INCH, nondefinitive_spec/std_data: II TYPE AND A STYLE AND 3 CLASS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-555-1045, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
681K
NSN: 5210-00-555-1045
FSC: 5210
CAGE: 37163 — COOPER INDUSTRIES INC LUFKIN/COOPER TOOLS DIV (USA)
SPECIFICATIONS
design_typeTUBULAR
gaging_range+4.000 TO 40.000 INCHES IN
graduation_unitTHOUSANDTHS OF AN INCH
nondefinitive_spec/std_dataII TYPE AND A STYLE AND 3 CLASS
NSN5210-00-555-1045
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CALIPER,MICROMETER,INSIDE TITLE COMPONENT PN 681K MFR CALIPER,MICROMETER,INS
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: II TYPE AND A STYLE AND 3 CLASS
•
DESIGN TYPE: TUBULAR
•
GRADUATION UNIT: THOUSANDTHS OF AN INCH
•
GAGING RANGE: +4.000 TO 40.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAII TYPE AND A STYLE AND 3 CLASS
DESIGN TYPETUBULAR
GRADUATION UNITTHOUSANDTHS OF AN INCH
GAGING RANGE+4.000 TO 40.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
823BZInterchangeable
interchangeable cross-reference
interchangeable
GGG-C-105Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-105 TY2CL3STAInterchangeable
interchangeable cross-reference
interchangeable
10-4585-00Interchangeable
interchangeable cross-reference
interchangeable
53050Interchangeable
interchangeable cross-reference
interchangeable
823FZInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 681K?
681K is a CALIPER,MICROMETER,INSIDE.
What parts can replace 681K?
There are 10 known substitutes for 681K: 823BZ, GGG-C-105, GGG-C-105 TY2CL3STA and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 681K?
681K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-555-1045. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026