Aeronautical Standard
Washer, Recessed, Countersunk (MS21299 Series) MS21299C4
Excludes freight, hazmat, and applicable taxes.
Available Alternates & Conditions
1 OptionsTechnical Description
High-strength MS21299C4 recessed countersunk washer manufactured from 4130 alloy steel, featuring a 90-degree recess angle designed for use under tension bolt heads. Finished with gold cadmium and chromate plating for optimal corrosion resistance in critical aerospace structural applications. Measures 0.251"–0.255" inside diameter and 0.481"–0.491" outside diameter to support 1/4" nominal fasteners.
Component Specifications
Logistics & Compliance
Ships globally from approved aerospace distribution centers. Items marked with EASA Form 1 or FAA 8130-3 dual release are guaranteed traceable. Subject to standard AOG dispatch times.
Available Inventory Conditions
Review specific stock levels, conditions, and available certifications for this component.
| Condition | Certifications | Stock Limit | Unit Price |
|---|---|---|---|
| NE | Trace Only | 1 EA | KES 550.00 |
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