TOOL, GAUGE BLOCK (P/N tl4988) - New Surplus
P/N: tl4988
Category: Gauges
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 1 Available |
Product Description
The tl4988 is a precision gauge block serving as a dimensional reference standard for aircraft maintenance and inspection areas. This steel block establishes known lengths for calibrating micrometers, calipers, and other measuring instruments used in MRO operations. Manufactured to ASME B89.1.9 specifications, it provides NIST-traceable accuracy for tool verification within your repair station's calibration program.
Use the gauge block at intervals acceptable to FAA oversight to maintain measurement reliability and compliance documentation during routine inspections and equipment certification checks.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the TOOL, GAUGE BLOCK (P/N tl4988)?
The tl4988 is a precision gauge block serving as a dimensional reference standard for aircraft maintenance and inspection areas. This steel block establishes known lengths for calibrating micrometers, calipers, and other measuring instruments used in MRO operations.
Is the tl4988 calibrated and ready to install?
Calibration status depends on the condition. Overhauled instruments come fully calibrated with an 8130-3 tag. The TOOL, GAUGE BLOCK is available in: New Surplus. Contact us to confirm calibration status for your selected condition.
Can the tl4988 be used as a direct replacement in my aircraft?
The TOOL, GAUGE BLOCK is designed as a form-fit-function replacement. Verify the part number against your aircraft's Illustrated Parts Catalog (IPC) and instrument panel layout to confirm compatibility before ordering.
Do you offer instrument exchange programs for the tl4988?
Yes, we offer core exchange programs on select instruments. Send your unserviceable unit and receive a discount on the replacement. Call (904) 998-9101 or submit an RFQ to check exchange availability for the tl4988.
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