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Stainless Steel Castle Nut # AN310C5

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Part numbers : RX1-AN310C5 , AN310C5 , 23215-2 , AN310C5
Unit of Measure: EA

2.92 EUR / EA 2.92 EUR 2.92 € excl. VAT

2.92 EUR / EA excl. VAT

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Availability
31 EA ready to ship on Monday 2026-08-10
Order before 17:00 CET Today
Up to 103 EA ready to ship on Thursday 2026-08-13
Order before 17:00 CET Today
74 EA available on request, fees apply
Special order from vendor stock.

The Airfasco AN310C5 is a corrosion-resistant steel, castellated hex airframe nut for applications requiring a 5/16-24 UNF-3B threaded fastener. Its castellated locking feature is intended for use with an appropriate cotter-pin retention arrangement.

  • Manufacturer: Airfasco
  • Manufacturer part numbers: AN310C5; 23215-2
  • Nut type: Plain castellated hex nut
  • Material: 300 series corrosion-resistant steel
  • Finish: Passivated in accordance with AMS2700, Method 1, Class 4
  • Thread: 5/16-24 UNF-3B
  • Maximum height: 8.7 mm; minimum height: 7.9 mm
  • Width across flats / bearing-surface diameter: 12.4-12.8 mm
  • Unit of measure: Each

Please confirm the applicable technical data, installation requirements, and required locking hardware before use.

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TypePart No.Thread Size
Stainless SteelAN310C55/16-24


Overview

Fabricated from steel and cadmium plated per QQ-P-416A, Type II, Class 3. AN310 castle nuts are used with drilled-shank bolts, clevis bolts, eye bolts and studs. The slots in the nut accommodate a cotter pin for safety purposes. The thinner AN320 castellated shear nut, with half the tensile rating of the AN310 nut, is used with clevis bolts and threaded taper pins which are subject to shearing stress only.


Reference Chart


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