Large USSR Soviet Dial Indicator Snap Gauge SI-850 700-850mm

Large USSR Soviet Dial Indicator Snap Gauge SI-850 700-850mm/ 27.5-33.5"

Professional high-precision measuring tool manufactured by Kirov Instrument Plant (Кировский инструментальный завод «Красный инструментальщик», USSR).

Technical Specifications:
Type: Dial Indicator Snap Gauge (Mechanical)
Measuring Range: 700 – 850 mm / 27.56 – 33.46 inches
Resolution (Reading): 0.01 mm
Model: СИ-850 (SI-850)
Manufacturer: Kirov Instrument, USSR
Standard: ГОСТ 11098-75
Complete Set Includes:

Large heavy-duty Snap Gauge with hardened measuring faces
Original USSR dial indicator (mechanical)
Solid wooden storage case with custom holders
Original Passport
All necessary accessories and setting rings (as pictured)
This is a very large and rare precision tool designed for accurate external diameter measurements of large parts (shafts, pipes, cylinders, etc.) using the comparative method. Ideal for heavy industry, machine repair, metrology labs, and collectors of Soviet precision instruments.

Condition: New old stock. Fully functional, stored carefully. Minor signs of age consistent (see detailed photos).

Extremely hard to find in this size — especially with original case and documents.

Perfect for:
Professional machinists
Industrial maintenance
Tool collectors
Technical museums
Feel free to ask any questions. International shipping available.

Please Note:

All items are shipped directly from Ukraine, so delivery may take a little longer than domestic shipping. Every order is carefully packed, and tracking is provided whenever available.
My VAT registration is currently being processed and will be available soon.
I specialize in new old stock (NOS) industrial tooling, including a large selection of made in the USSR tools, as well as premium tools from Germany, Japan, the USA, Italy, and other leading manufacturers.
I offer a wide range of drills, taps, dies, end mills, reamers, centre drills, countersinks, measuring tools (micrometers, calipers, gauges), and many other metalworking tools.
I have a very large inventory, and not everything is listed yet. If you are looking for a specific tool, please send me a message—I may already have exactly what you need.
A large shipment of tooling will soon be transferred to Ireland, making many popular items available for faster local delivery. This includes drills, taps, dies, end mills, reamers, centre drills, countersinks, and measuring instruments. If you're interested in any of these products, feel free to get in touch now.

Thank you for your interest, and I look forward to helping you find the right tooling for your needs.