The AT-M-24 Metric Cap and Plug Kit is a comprehensive assortment of threaded protective caps and plugs designed to protect metric threaded fittings during maintenance, overhaul, shipping, and storage.
This kit was compiled to support FOD prevention programs and mechanic workstation efficiency, allowing technicians to quickly protect exposed threads and open ports during service procedures. By sealing off threaded openings, the AT-M-24 kit helps prevent dirt, dust, and contaminants from entering sensitive systems during maintenance operations.
Containing 215 total caps and plugs across 24 common metric thread sizes, this kit is ideal for aviation maintenance facilities, hydraulic repair stations, industrial equipment service centers, and overhaul shops.
All caps and plugs are manufactured from durable red polypropylene (PP), providing lightweight, reusable protection while allowing for easy installation and removal during routine service operations.
The kit ships in a durable hard plastic storage case with individual compartments, helping technicians quickly locate the correct size while maintaining organized inventory control at the workstation.
Key Features
✔ 215 total protective caps and plugs✔ 24 common metric thread sizes included✔ Designed for FOD prevention and thread protection✔ Durable red polypropylene construction✔ Lightweight and reusable✔ Organized hard plastic storage case with individual compartments✔ Ideal for aviation maintenance, overhaul shops, and industrial service
Kit Contents
Metric Threaded Caps
M8 × 1.0
M10 × 1.0
M12 × 1.0
M12 × 1.5
M14 × 1.5
M16 × 1.5
M18 × 1.5
M20 × 1.5
M22 × 1.5
M24 × 1.5
M25 × 1.5
M26 × 1.5
Metric Threaded Plugs
M8 × 1.0
M10 × 1.0
M12 × 1.0
M12 × 1.5
M14 × 1.5
M16 × 1.5
M18 × 1.5
M20 × 1.5
M22 × 1.5
M24 × 1.5
M25 × 1.5
M26 × 1.5
Specifications
Kit Number: AT-M-24Total Pieces: 215Material: Polypropylene (PP)Color: RedThread Type: MetricStorage: Hard plastic compartment storage case
Harmonized Tariff Code (HTS): 3923.50.0000
Applications
The AT-M-24 Metric Cap and Plug Kit is commonly used for:
Aircraft maintenance operations
Hydraulic system service
Industrial equipment maintenance
Engine and component overhaul
Contamination control and FOD prevention programs
The AT-SAE-16 SAE Cap and Plug Kit is a comprehensive assortment of threaded protective caps and plugs designed to protect SAE threaded fittings during maintenance, overhaul, shipping, and storage.
This kit was developed to support FOD prevention programs and mechanic workstation efficiency by providing immediate access to the most commonly used SAE thread protection sizes. By covering open ports and exposed threads, the AT-SAE-16 kit helps prevent dirt, dust, and foreign contaminants from entering sensitive components during service operations.
Containing 330 total caps and plugs across 16 common SAE thread sizes, this kit is ideal for aviation maintenance facilities, hydraulic repair stations, engine overhaul shops, and industrial service teams.
All caps and plugs are manufactured from durable red LDPE, offering lightweight protection while remaining easy to install and remove during routine maintenance procedures.
The kit ships in a durable hard plastic storage case with individual compartments, allowing technicians to quickly identify the correct size and maintain organized inventory control.
Key Features
✔ 330 total protective caps and plugs✔ 16 common SAE thread sizes included✔ Designed for FOD prevention and thread protection✔ Durable red LDPE construction✔ Lightweight and reusable✔ Organized hard plastic storage case with individual compartments✔ Ideal for aviation maintenance, overhaul shops, and hydraulic service
Kit Contents
SAE Threaded Plugs
5/16-24
3/8-24
7/16-20
1/2-20
9/16-18
5/8-18
3/4-16
7/8-14
SAE Threaded Caps
1/4-36
3/8-24
7/16-20
1/2-20
9/16-18
5/8-18
3/4-16
7/8-14
Specifications
Kit Number: AT-SAE-16Total Pieces: 330Material: LDPE (Low Density Polyethylene)Color: RedThread Type: SAEStorage: Hard plastic compartment storage box
Harmonized Tariff Code (HTS): 3923.50.0000
Applications
The AT-SAE-16 kit is commonly used for:
Aircraft maintenance operations
Hydraulic system service
Engine overhaul facilities
Industrial equipment maintenance
Contamination and FOD prevention program
The AT_ALUM_JIC_KIT is a professional-grade assortment of threaded aluminum protective caps and plugs designed for 37° JIC / AN aircraft flare fittings. This kit allows aviation technicians to quickly protect both male and female hydraulic, fuel, and pneumatic fittings during maintenance, overhaul, shipping, or storage.
The kit includes NAS835 protective caps and NAS818 protective plugs, covering the most commonly used aircraft fitting thread sizes. Each component is anodized yellow for maximum FOD visibility, allowing maintenance personnel to easily identify installed protective hardware and prevent foreign object debris from entering critical aircraft systems.
For compatibility with certain legacy components, the NAS835-2 caps are supplied in natural aluminum finish, while all remaining components are finished in high-visibility anodized yellow.
The AT_ALUM_JIC_KIT is ideal for aviation maintenance shops, overhaul facilities, and field service teams that require a reliable and organized solution for protecting open aircraft fluid system fittings.
Key Features
✔ High-visibility yellow anodized aluminum for FOD detection✔ Protects male and female 37° JIC / AN flare fittings✔ Includes NAS835 protective caps and NAS818 protective plugs✔ Designed for aircraft hydraulic, fuel, and pneumatic systems✔ Helps maintain tool control and contamination prevention✔ Durable aluminum construction✔ Organized assortment for quick technician access
Kit Contents
Protective Caps – NAS835 Series
Used for male flare fittings
Part Number
Thread Size
Quantity
NAS835-2 (Natural Finish)
5/16-24
15
NAS835-3
3/8-24
15
NAS835-4
7/16-20
15
NAS835-5
1/2-20
15
NAS835-6
9/16-18
10
ASC-7
5/8-18
8
NAS835-8
3/4-16
5
NAS835-10
7/8-14
4
Protective Plugs – NAS818 / NAS836 Series
Used for female flare fittings
Part Number
Thread Size
Quantity
NAS818-3
3/8-24
10
NAS818-4
7/16-20
10
NAS818-5
1/2-20
8
NAS818-6
9/16-18
6
ASP-7
5/8-18
5
NAS818-8
3/4-16
4
NAS818-10
7/8-14
2
Additional Components
Storage location included for customer expansion:
D54-017-01 spare storage position
Applications
The AT_ALUM_JIC_KIT is commonly used in:
Aircraft hydraulic systems
Fuel system tubing
Pneumatic lines
Engine accessory components
Aircraft maintenance and overhaul operations
These caps and plugs help prevent contamination and protect critical sealing surfaces during transport, servicing, and storage.
Specifications
Kit Number: AT_ALUM_JIC_KITMaterial: AluminumFinish: Yellow anodized (NAS835-2 natural aluminum)Fitting Type: 37° JIC / AN flare fittingsStandards: NAS835, NAS818, NAS836
These kits are specially designed to have a variety of sizes of caps and plugs on hand, without the hassle of having to inventory, organize and manage hundreds of boxes of loose caps.
