RETAINER,BARREL NUT (P/N nas578-4a) - New Surplus
P/N: nas578-4a
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 |
|---|---|
| New Surplus | 4 Available |
Product Description
The NAS578-4A is a barrel nut retainer designed to hold and align floating barrel nuts in aerospace fastening assemblies. This steel component prevents barrel nut rotation during installation and removal cycles, maintaining proper alignment on access panels and removable joints. Conforming to NAS578 series hardware standards, it works with compatible barrel nuts to create secure, reusable fastened connections.
Install per aircraft maintenance manual specifications and verify part fitment in the Illustrated Parts Catalog before assembly.
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 RETAINER,BARREL NUT (P/N nas578-4a)?
The NAS578-4A is a barrel nut retainer designed to hold and align floating barrel nuts in aerospace fastening assemblies. This steel component prevents barrel nut rotation during installation and removal cycles, maintaining proper alignment on access panels and removable joints.
Does the nas578-4a meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The RETAINER,BARREL NUT 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 nas578-4a 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 nas578-4a.
Can I order the nas578-4a in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The RETAINER,BARREL NUT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
Related Fasteners & Hardware
- NUT, TUBE COUPLING – P/N ms21921-6
- PIN – P/N 120-28380-001
- RIVET – P/N ac030107
- SCREW – P/N cm3736-5
- BOLT – P/N an176-20a
- BOLT – P/N 1.3711e+27
- COLLAR – P/N ags952b
- WASHER – P/N tb1058029100
- FIRESLEEVE, (ALT. P/N AE102-8) – P/N 274146
- SCREW – P/N air6817
- CIRCLIP – P/N frs949h
- RIVET, BLIND, PROTRUDING HD – P/N cr3213-5-02