How does shipping work for orders on MRO Exchange?

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.

What payment methods does MRO Exchange accept?

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

$249.99 USD

Sale Sold out

ConditionSurplus - Untested MPN501-03882 Stock #0226-00452

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 503092-00, Revision RC (May 1984). Features dual National Semiconductor S8512A high-current operational amplifiers in TO-3 packages with direct heat-sinking for robust servo drive output. Includes LM301 op-amps, precision 0.05% resistors, adjustable GAIN and BAL potentiometers, and comprehensive test points (COS, SIN, IND, RES, DRV CMD, FDBK 1/2, GND). Dual edge connectors (P1, P2) enable seamless integration into mid-1980s Giddings & Lewis CNC servo control architectures. Serial number 515003. Suitable as replacement or spare component for compatible systems. Removed unit, untested and uncertified. Verify compatibility with OEM specifications before installation.

Stock # 0226-452

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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.