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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Giddings & Lewis Electronics Servo Interface Board 501-03882

$249.00 USD

Sale Sold out

ConditionSurplus - Untested MPN501-03882 Stock #0226-00451

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 5.0 lbs

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Giddings & Lewis Electronics Servo Interface board, part number 501-03882, assembly 503-03092-00, Revision RC (May 1984). Features dual National Semiconductor LH0101CK high-current operational amplifiers in TO-3 packages with direct heat-sinking, precision Bale RS-7 resistors (10Ω, 0.05%), and LM301 op-amps for servo drive output stage functionality. Includes adjustable GAIN and BAL trimmer potentiometers, comprehensive test points (COS, SIN, IND, RES, DRV CMD, FDBK 1, FDBK 2, GND), and dual edge connectors (MACH CONN, SERVO CHAN) for system integration. Serial number A15400. Designed as a per-axis servo channel interface module for mid-1980s Giddings & Lewis CNC control systems. Removed unit, untested. Verify compatibility with OEM documentation before installation.

Stock # 0226-451

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.