INSERT (P/N ms21280-l21) - New Surplus
P/N: ms21280-l21
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 | 5 Available |
Product Description
The MS21280-L21 is a military-standard machine bolt with a double-hex drilled head and UNJF threads. This steel fastener conforms to MS21280 specifications for precision aerospace assemblies requiring high vibration resistance. The drilled head design accommodates lockwire installation to prevent fastener loosening during flight operations.
Commonly used in structural and engine mount applications where secure retention is critical. Installation requires proper torque per aircraft maintenance manual specifications and lockwire inspection per applicable MS standards.
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 INSERT (P/N ms21280-l21)?
The MS21280-L21 is a military-standard machine bolt with a double-hex drilled head and UNJF threads. This steel fastener conforms to MS21280 specifications for precision aerospace assemblies requiring high vibration resistance.
Does the ms21280-l21 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The INSERT 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 ms21280-l21 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 ms21280-l21.
Can I order the ms21280-l21 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The INSERT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
Related Fasteners & Hardware
- CLIP – P/N as5419-11
- BOLT – P/N nas4403-8
- LOCKNUT – P/N 91442023
- STUD,TURNLOCK FASTENER – P/N 50-005a10
- SCREW SB 941 – P/N 411-534
- PIN – P/N nas1466-09a
- NUT – P/N 775770-5
- BOLT, PLATE – P/N 03710949l6
- WASHER – P/N nas1149cn816r
- SCREW,MACHINE – P/N ms24693-bb25
- RIVET – P/N ms20426-005-10
- SCREW GRAY – P/N 629-7475-003