WASHER (P/N nas143-4c) - New Surplus
P/N: nas143-4c
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 | 39 Available |
Product Description
The NAS143-4C is a recessed structural washer designed for countersunk fasteners in aircraft joints. This high-strength steel washer features a countersunk recess that seats flush with bolt or screw heads, distributing clamp load evenly across the joint surface. Sized for 1/4-inch fasteners, it meets NAS143 specifications and interchanges with MS20002C4.
Install with the recess matched to the fastener head and torque per the applicable aircraft maintenance manual. Common in primary and secondary structural applications where flush fastening is required.
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 WASHER (P/N nas143-4c)?
The NAS143-4C is a recessed structural washer designed for countersunk fasteners in aircraft joints. This high-strength steel washer features a countersunk recess that seats flush with bolt or screw heads, distributing clamp load evenly across the joint surface.
Does the nas143-4c meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The WASHER 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 nas143-4c 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 nas143-4c.
Can I order the nas143-4c in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The WASHER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
Related Fasteners & Hardware
- SCREW,MACHINE – P/N ms24693-bb26
- SLEEVE – P/N d20001d16
- WASHER,FLAT – P/N sp122j
- PIN-RIVET,THREADED – P/N HL19PB6-11
- WASHER – P/N din126a-m6-pa
- RIVET,SOLID – P/N ms20426ad6-7
- SPACER – P/N 3012533
- BOLT – P/N nas6204-36d
- BOLT,SHEAR – P/N nas6605-17
- SCREW – P/N 5344308
- BOLT,CLOSE TOLERANCE – P/N nas1304-33d
- SPACER – P/N as2808-5-045