BOLT (P/N an178-13a) - New Surplus
P/N: an178-13a
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 | 20 Available |
Product Description
The AN178-13A is a close-tolerance hex bolt with 1/2-20 UNF-3A threads manufactured from alloy steel per Aeronautical Standard specifications. This AN-series fastener is designed for reamed close-fit joints in airframe structures where precision alignment under shear loads is critical. Installation requires matching the grip length to the specific application and following torque practices outlined in the aircraft maintenance manual.
Commonly used in structural connections where tight tolerances prevent fastener rotation.
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 an178-13a)?
The AN178-13A is a close-tolerance hex bolt with 1/2-20 UNF-3A threads manufactured from alloy steel per Aeronautical Standard specifications. This AN-series fastener is designed for reamed close-fit joints in airframe structures where precision alignment under shear loads is critical.
Does the an178-13a 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 an178-13a 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 an178-13a.
Can I order the an178-13a 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.
Related Fasteners & Hardware
- BOLT – P/N ln9037m40x30
- PIN – P/N b3490
- LOCK NUT – P/N mk1000-4
- WASHER – P/N 62833-092
- BOLT,SHEAR – P/N nas625-28
- BOLT – P/N DHS1426-4DD
- WASHER – P/N 35-87521-0006-1
- NUT – P/N 22022
- PIN,STRAIGHT,HEADED – P/N ms20392-2c39
- NUT,TUBE COUPLING – P/N ms21921-12d
- BOLT-.375-24 X 1.95 LG HX HD – P/N an6-17
- SCREW – P/N ms24674-11