NUT,SELF-LOCKING,PLATE (P/N ms21055l4) - New Surplus
P/N: ms21055l4
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 | 25 Available |
Product Description
The MS21055L4 is a self-locking plate nut (corner nutplate) with 1/4-28 UNJF threads, manufactured from steel per MS21055 specifications (superseded by NASM21055). This captive nutplate rivets directly to aircraft structure, providing permanent threaded access points where backside fastening is impractical. Designed for attaching access panels, inspection covers, and removable components during maintenance operations.
The self-locking feature prevents vibration-induced loosening in flight environments. Installation follows NASM21055 standards and aircraft structural repair manual guidelines.
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 NUT,SELF-LOCKING,PLATE (P/N ms21055l4)?
The MS21055L4 is a self-locking plate nut (corner nutplate) with 1/4-28 UNJF threads, manufactured from steel per MS21055 specifications (superseded by NASM21055). This captive nutplate rivets directly to aircraft structure, providing permanent threaded access points where backside fastening is impractical.
Does the ms21055l4 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The NUT,SELF-LOCKING,PLATE 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 ms21055l4 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 ms21055l4.
Can I order the ms21055l4 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT,SELF-LOCKING,PLATE is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
Related Fasteners & Hardware
- NUT: – P/N 477-786
- PIN – P/N nas427-k12
- CLIP STRINGER FRAME – P/N 50-420060-20
- RIVET, SOLID – P/N sp85-405
- INSERT – P/N 3011119
- BOLT – P/N an5-47
- STUD ASSEMBLY,TURNLOCK FASTNER – P/N 40s5-4
- NUT, FLARED TUBE – P/N an924-6j
- RIVET: BLIND,FLUSH HD,100PK – P/N cr3242-5-5
- NUT – P/N y31162-1-6
- RIVET – P/N an470-4-8
- BOLT – P/N an3-23