SHIM (P/N b4940-2) - New Surplus
P/N: b4940-2
Category: Fasteners & Hardware
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 | 21 Available |
Product Description
The b4940-2 is a precision shim used to establish correct clearance and alignment between mating aircraft components during assembly or repair. This thin spacer installs between an airframe bracket and component to achieve proper stand-off distance and prevent interference. Material and thickness are selected per approved engineering data and the aircraft Illustrated Parts Catalog.
Installation follows the applicable maintenance manual or engineering authorization, with dimensions verified before fastening. Shims are critical for maintaining proper fit, load distribution, and structural integrity in airframe assemblies.
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 SHIM (P/N b4940-2)?
The b4940-2 is a precision shim used to establish correct clearance and alignment between mating aircraft components during assembly or repair. This thin spacer installs between an airframe bracket and component to achieve proper stand-off distance and prevent interference.
Does the b4940-2 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The SHIM conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the b4940-2 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the b4940-2.
Can I order the b4940-2 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The SHIM is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.