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Technical Data Sheet
PartsTable / COMPONENT / 681D
681D ✓ 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 32.000 INCHES IN, container_type: CASE, graduation_unit: THOUSANDTHS OF AN INCH, special_features: FURNISHED WITH 8 RODS; 1 IN. SCREW MOVEMENT IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-555-1046, 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
681D
NSN: 5210-00-555-1046
FSC: 5210
CAGE: 26741 — MECHANICAL TECHNOLOGY, INCORPORATED DIV MTI INSTRUMENTS INC (USA)
SPECIFICATIONS
design_typeTUBULAR
gaging_range+4.000 TO 32.000 INCHES IN
container_typeCASE
graduation_unitTHOUSANDTHS OF AN INCH
special_featuresFURNISHED WITH 8 RODS; 1 IN. SCREW MOVEMENT IN
NSN5210-00-555-1046
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CALIPER,MICROMETER,INSIDE TITLE COMPONENT PN 681D MFR CALIPER,MICROMETER,INS
KEY FEATURES
•
GAGING RANGE: +4.000 TO 32.000 INCHES IN
•
CONTAINER TYPE: CASE
•
GRADUATION UNIT: THOUSANDTHS OF AN INCH
•
DESIGN TYPE: TUBULAR
TECHNICAL CHARACTERISTICS (FLIS)
GAGING RANGE+4.000 TO 32.000 INCHES IN
CONTAINER TYPECASE
GRADUATION UNITTHOUSANDTHS OF AN INCH
DESIGN TYPETUBULAR
SPECIAL FEATURESFURNISHED WITH 8 RODS; 1 IN. SCREW MOVEMENT IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
112872Interchangeable
interchangeable cross-reference
interchangeable
53055Interchangeable
interchangeable cross-reference
interchangeable
0906820-6Interchangeable
interchangeable cross-reference
interchangeable
2-326875-4Interchangeable
interchangeable cross-reference
interchangeable
MILT7928-1Interchangeable
interchangeable cross-reference
interchangeable
APC1B025Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 681D?
681D is a CALIPER,MICROMETER,INSIDE.
What parts can replace 681D?
There are 17 known substitutes for 681D: 112872, 53055, 0906820-6 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 681D?
681D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-555-1046. 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