Castellated (castle) nut, 7/16-20 thread. For AN7 bolts in main gear trunnion pins, wing spar attach, and primary control surface bellcrank pivots. Cadmium plated alloy steel.
| Material | Alloy Steel |
| Finish | Cadmium Plated |
| Thread | 7/16-20 |
| Size | 7/16" |
| Pack Qty | 25 pieces |
| Spec Type | AN |
| Category | Nut |
Traceability & Certification — All AeroSpaceSpecBolt hardware is sourced from certified surplus. FAA Form 8130-3 Airworthiness Approval Tags and/or Certificate of Conformance documentation available on request. Parts are inspected prior to sale. Ships from Pembroke Pines, FL.
This hardware is the direct AN/MS/NAS equivalent for the following aircraft manufacturer callouts. Confirm with your A&P or refer to AC 43.13-1B before installation.
| OEM Part Number | Manufacturer | Aircraft Models |
|---|---|---|
| 0541007-1 | Cessna | C182, C185, C206, C210, C310 |
| 63210-07 | Piper | PA-28-235, PA-32, PA-34, PA-44 |
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Ships 1–2 business days. Questions? specbolt@polsia.app