MS24693C52 – Aerospace Stainless Steel Flat Head Countersunk Machine Screw
Available now on the Airparts.aero Marketplace.
Overview
The MS24693C52 is a military-standard, aerospace-grade flat head machine screw crafted from stainless steel and designed for use in flush-mounted structural and system assemblies in certificated and experimental aircraft. With its countersunk, flat-head profile, this screw ensures a smooth aerodynamic or aesthetic surface, commonly used in aircraft skin panels, instrument mounts, avionics trays, and interior applications.
Manufactured to the MS24693 specification, the MS24693C52 offers superior corrosion resistance, precision threading, and uniform tensile strength, making it ideal for both high-vibration environments and flight-critical applications. Its Phillips drive head provides ease of installation while maintaining torque precision across maintenance cycles.
Key Features
- Aerospace-Grade Stainless Steel: Offers high strength and corrosion resistance.
- Flat Head, Countersunk Design: Provides a flush finish for aerodynamic surfaces and interior installations.
- MS24693 Spec Compliant: Meets MIL-spec requirements for machine screws used in airframe structures and systems.
- Phillips Drive Head: Compatible with standard aviation tools for precision torqueing.
- Uniform Thread Quality: Ensures consistent fastener performance and load distribution.
- FAA-Approved Hardware: Used in both OEM production and certified maintenance operations.
Technical Specifications
- Part Number: MS24693C52
- Specification: MS24693
- Material: Stainless Steel (300 Series)
- Head Type: Flat head, 100° countersunk
- Drive Type: Phillips recessed
- Thread Size: 6-32 UNF
- Length: 5/16 inch
- Finish: Passivated per AMS-QQ-P-35 or equivalent
- Certification: FAA-PMA or MIL-spec traceable; AS and NAS hardware compliant
Aircraft Compatibility
Used extensively in:
- Cessna, Piper, Mooney, and Beechcraft airframes
- Experimental, kit-built, and composite aircraft
- Military and commercial aircraft assemblies requiring flush-mounted fasteners
Always verify with IPC or engineering drawings for location-specific fit and thread engagement length.
Applications
- Aircraft Exterior Skin Panels
- Avionics Mounting and Instrument Panels
- Interior Trim and Cowling Assemblies
- Access Panel and Hatch Retention
- Aerodynamic Surface Fastening
Why Choose MS24693C52?
- Military-Grade Quality: Certified for use in high-performance, flight-critical installations.
- Corrosion-Resistant: Performs in harsh environmental conditions.
- Flush-Fit Aesthetic: Eliminates surface protrusion and drag.
- Highly Versatile: Fits a broad range of structural, system, and cosmetic uses.
Order Your MS24693C52 Screw Today
Install with confidence using certified aerospace-grade hardware.
Order the MS24693C52 Stainless Flat Head Machine Screw now from Airparts.aero for guaranteed traceability, fast delivery, and trusted customer service.
The MS24693C52 flat head screw provides the precision fit and corrosion-resistant durability demanded by aviation and military maintenance environments. Commonly used where flush surfaces are required for drag reduction or interior finish, this FAA-approved fastener is trusted by airframe manufacturers, MRO shops, and aircraft builders alike. At Airparts.aero, we offer certified aerospace hardware with expert-backed fulfillment for aircraft of all types.
Installation should follow torque and thread engagement specifications outlined in AMM or FAA AC43.13 guidelines.
Description: Flathead Machine Screw
Part Number: MS24693C52
Alternate Part Number: MS24693-C52
Product Overview:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching.
MS24693C52 Specifications:
| PARAMETER | CHARACTERISTIC | |
| Thread Class | : | 2a |
| Thread Direction | : | Right-hand |
| Thread Length | : | Between 0.688 inches and 0.750 inches |
| Fastener Length | : | 0.750 inches |
| Head Style | : | Flat countersunk |
| Head Diameter | : | Between 0.285 inches and 0.332 inches |
| Internal Drive Style | : | Cross recess type 1 |
| Thread Diameter | : | 0.164 inches |
| Thready Qty Per Inch (tpi) | : | 32 |
| Countersink Angle | : | Between 99.0 degrees and 101.0 degrees |
| Screw Material | : | Steel comp 302 or steel comp 303 or steel comp 304 |
| Screw Material Specification | : | 66 federal standard all material responses |
| Screw Surface Treatment | : | Passivate |
| Screw Surface Treatment Specification | : | Qq-p-35 federal specification single treatment response |
| Thread Series Designator | : | Unc |
This part is used on the following aircraft:
- • Bombardier Global Express
- • Bombardier Learjet 55
- • Embraer Legacy 600-650
- • Embraer Phenom 300
- • Textron Aviation Cessna 510 Citation Mustang
**Military Fastener - MS24693C52 [ Click Here ]
MACHINE SCREW - MS24693C52
MACHINE SCREW - MS24693C52
| Dimensions | |
|---|---|
| Dimensions (W x H x D) | 0.75" x 0.38" x 0.38" Inches |
| Length | 0.75" Inch |
| Weight | 0.01 lb |
| Specifications | |
|---|---|
| 8130-3 Eligible | No |
| ATA Chapter | ATA 51 Standard Practices and Structures |
| Available Conditions | NE / NS |
| Cage Code | 96906 |
| Country of origin | United States of America |
| ECCN / USML | EAR99 |
| FAA Approval Code | STD |
| Hazmat Code | Not Applicable |
| Hazmat(Y/N) | N |
| NSN | 5305-00-088-9671 |
| Schedule B | 7318.15.6080 |
| Thread | 2a |
| Total Shelf Life (days) | Not Applicable |
| Type | Screw |
| Units of Measure (UoM) | Each |
| Condition status | Depreciated |
