P/N: MS21288-04
Category: Fasteners & Hardware
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 2 Available |
The MS21288-04 is a military-standard machine bolt with a double-hex head drilled for safety wire installation. Manufactured from A-286 iron alloy per AMS 5732 specification, this bolt features UNJF threads for secure fastening in aircraft assemblies. Designed for high-vibration environments such as accessory brackets and engine mounts, the safety-wire drilling prevents fastener loosening during flight operations.
Installation requires torquing per the applicable aircraft maintenance manual and compliance with FAA AC 43.13-1B safety-wiring practices to ensure positive locking.
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.
The MS21288-04 is a military-standard machine bolt with a double-hex head drilled for safety wire installation. Manufactured from A-286 iron alloy per AMS 5732 specification, this bolt features UNJF threads for secure fastening in aircraft assemblies.
Aircraft hardware is manufactured to military and aviation specifications. The BOLT conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
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 MS21288-04.
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.