BOLT (P/N an5-4a) - As Removed, New Surplus
P/N: an5-4a
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 |
|---|---|
| As Removed | 50 Available |
| New Surplus | 250 Available |
Product Description
The AN5-4A is a 5/16-inch hex-head airframe bolt with 24 UNF threads, manufactured from alloy steel to AN standard specifications. The dash-4 designation indicates nominal length, while the 'A' suffix specifies an undrilled shank for structural applications. This fastener secures airframe joints and assemblies requiring reliable 5/16-inch fastening.
Installation requires pairing with an approved self-locking nut and verifying grip length against the aircraft IPC before final assembly. Torque to maintenance manual specifications to ensure proper clamp load and airworthiness.
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 an5-4a)?
The AN5-4A is a 5/16-inch hex-head airframe bolt with 24 UNF threads, manufactured from alloy steel to AN standard specifications. The dash-4 designation indicates nominal length, while the 'A' suffix specifies an undrilled shank for structural applications.
Does the an5-4a 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 an5-4a 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 an5-4a.
Can I order the an5-4a in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT is available in: As Removed, New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
Related Fasteners & Hardware
- HINGE, HALF LH LOWER – P/N 0413426-16
- SHIM STOCK,LAMINATED – P/N 120-030-32-24
- BOLT – P/N ms21250h07060
- BOLT – P/N nas6303-22
- FASTENER – P/N 5340-01-099-3414
- STUD – P/N 08-11051
- BOLT – P/N 25cf385
- WASHER – P/N 310347-01
- BOLT – P/N dhs1421-7ee
- BOLT – P/N nas7403-20
- BOLT,MACHINE – P/N ms9489-07
- RIVET – P/N MS90353U0510