SPLIT PIN (P/N SP90K21) - New Surplus
P/N: SP90K21
Category: Pins, Clips & Retaining Rings
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 | 20 Available |
Product Description
The SP90K21 is a split pin (cotter pin) for safetying castellated nuts on drilled bolts in aircraft systems. This steel fastener provides positive mechanical locking by passing through aligned holes in a bolt and nut, then bending back the ends to prevent rotation. Commonly used on flight-control linkages, landing gear assemblies, and engine mounts where AN310 or AN320 castellated nuts require safetying.
Installation follows FAA AC 43.13-1B guidance: insert the pin through the drilled hole, bend both ends back at 90 degrees, and trim excess length to prevent snagging.
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 SPLIT PIN (P/N SP90K21)?
The SP90K21 is a split pin (cotter pin) for safetying castellated nuts on drilled bolts in aircraft systems. This steel fastener provides positive mechanical locking by passing through aligned holes in a bolt and nut, then bending back the ends to prevent rotation.
What conditions is the SP90K21 available in?
The SP90K21 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the SP90K21?
The SP90K21 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the SP90K21?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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