Rugged and military slip rings
Moog Helicopter slip rings
Rotorcraft slip rings for blade de-ice, blade position, tip lights and sensor turrets, designed for wide temperature and vibration envelopes.
Key specifications
Detailed figures vary by model. Ask an engineer for the variant you need.
Summarised in our own words from Moog Inc.'s published data; series maxima, individual models vary. Last checked 2026-10-29. Source 1
Notes on this data
Most de-ice rings carry under 100 A. Platforms named include Apache, Blackhawk, V-22. No numeric spec table.
Specify Motion is not affiliated with Moog Inc.. Moog and Helicopter slip rings are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Typical applications
Engineer support
Speak to our engineers about your project
Our experienced engineers are on hand, ready to help with your project. Whether you need the Moog Helicopter slip rings itself, help sourcing it, or a modified or custom design built around your load, speed and space, tell us what the machine has to do and we'll come back with the right option.
- Help sourcing Helicopter slip rings and spares for installed machines
- Modified and custom designs when a catalogue part doesn't fit
- Complete axis: motor, drive, gearing and feedback matched together
What a rugged and military slip ring is
A rugged or defence slip ring is a rotary joint designed and qualified for military vehicles, naval platforms, aircraft pods and harsh mobile plant. The electrical construction is similar to an industrial unit, but the housing, bearings, brush design and connectors are engineered for shock, vibration, wide temperature swings, sand, dust and humidity. Many must also meet electromagnetic compatibility requirements and are often built to a customer specification with qualification testing, traceability and controlled configuration.
When engineers choose a rugged and military slip ring
Choose a rugged design when the platform will see sustained vibration, mechanical shock, extreme temperatures or contamination, such as turrets, radar pedestals, EO/IR gimbals, and construction and mining machines. An industrial slip ring may work in a benign enclosure but usually lacks qualification evidence. The trade-offs are cost, weight, longer lead times and documentation effort. Defence programmes also bring export control and configuration management, which the component maker and buyer handle.
How to specify the Moog Helicopter slip rings
Send these with your enquiry and an engineer can confirm the right Helicopter slip rings variant or an equivalent:
- Environmental standard and test levels, such as MIL-STD-810 or a customer specification
- Shock and vibration profile (g, Hz)
- Temperature range, operating and storage (°C)
- EMC requirements, such as MIL-STD-461
- Power, signal, video and data channels
- Connectors and cable types
- Qualification, traceability and documentation needs
Common mistakes to avoid
- Quoting a standard without the specific test methods and levels that apply
- Leaving EMC screening and earthing out of the slip ring specification
- Assuming commercial connectors will survive the vibration profile
- Starting qualification late, so the programme waits on test results
Moog Helicopter slip rings: frequently asked questions
What is the Moog Helicopter slip rings?
Rotorcraft slip rings for blade de-ice, blade position, tip lights and sensor turrets, designed for wide temperature and vibration envelopes. It is made by Moog Inc.; Specify Motion can help source it or propose an equivalent.
Who makes the Moog Helicopter slip rings?
The Moog Helicopter slip rings is made by Moog (Moog Inc.) and is listed here for engineers comparing options. Specify Motion is not affiliated with Moog Inc.; brand names are used only to identify the product.
Is there an alternative to the Moog Helicopter slip rings?
Yes. Our engineers can propose an equivalent built around your load, speed and environment. An engineer confirms the fit against your application before recommending anything.
What does MIL-STD-810 mean for a slip ring?
MIL-STD-810 is a US Department of Defense test method standard for environmental conditions such as vibration, shock, temperature, humidity, sand and dust. It describes how to test rather than one pass level, so a programme must state which methods and levels apply. A slip ring quoted as tested to MIL-STD-810 should come with the methods, levels and a test report.
Do defence slip rings need export licences?
Some do. Items specially designed for military use can appear on military or dual-use control lists in the UK, EU and US, which may require an export licence. It depends on the design and its end use, not the product type alone. The component maker and the buyer handle classification and licensing, so share the end use and destination early.
Further reading: How to select a slip ring · How to specify a slip ring · Slip rings
Other rugged and military slip rings series
Spec builder
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Select every part you need, answer the questions an applications engineer would ask, and see your summary before we ask for any details.
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- 4Volumes
- 5Your spec
Engineer support
Our engineers are ready to help with your project
Tell us about your project and how you use the Moog Helicopter slip rings: the load, speed, duty and environment. An experienced engineer will review it and reply, normally within one working day.
- Reviewed by an engineer, not an autoresponder
- Like-for-like and better-fit alternatives
- Standard, modified and custom options
Prefer to configure it? Use the spec builder.