BOLT, MACH, 1/4-28 X 21/32 D/H (P/N an4h-5a) - New Surplus
P/N: an4h-5a
Category: Bolts
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 | 21 Available |
Product Description
The AN4H-5A is a 1/4-28 hex head machine bolt with a drilled head for safety wire installations. This steel fastener conforms to AN/NASM4 standards and features a 21/32-inch grip length with an undrilled shank. Designed for airframe bracket assemblies where safety wiring through the bolt head prevents loosening during vibration.
Install with a compatible nut, ensuring grip length matches stack thickness, and torque per aircraft maintenance manual specifications. Common in general aviation and MRO maintenance applications.
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, MACH, 1/4-28 X 21/32 D/H (P/N an4h-5a)?
The AN4H-5A is a 1/4-28 hex head machine bolt with a drilled head for safety wire installations. This steel fastener conforms to AN/NASM4 standards and features a 21/32-inch grip length with an undrilled shank.
What conditions is the an4h-5a available in?
The an4h-5a is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the an4h-5a?
The an4h-5a requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the an4h-5a?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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