BOLT (P/N an74-20) - New Surplus
P/N: an74-20
Category: Fasteners & Hardware
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 | 223 Available |
Product Description
The AN74-20 is a hex-head aircraft bolt conforming to AN74/MS20073 fine-thread specifications. This steel fastener features a drilled head provision for safety wire installation where required by maintenance procedures. Used primarily for engine accessory mounting and airframe structural attachments in certified aircraft.
Installation requires torque values specified in the aircraft or engine maintenance manual, with safety-wire application per applicable standards. Verify correct part callout in the Illustrated Parts Catalog before installation.
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 BOLT (P/N an74-20)?
The AN74-20 is a hex-head aircraft bolt conforming to AN74/MS20073 fine-thread specifications. This steel fastener features a drilled head provision for safety wire installation where required by maintenance procedures.
Does the an74-20 meet AN/MS/NAS aviation specifications?
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.
What material is the an74-20 manufactured from?
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 an74-20.
Can I order the an74-20 in custom quantities?
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.