# Hitec HS-55 sub-micro feather servo

> What are the dimensions of the Hitec HS-55 sub-micro feather servo?

- Category: RC planes › Micro servos
- Kind: Modern device
- Basis: Secondary source: BuddyRC (retailer) (copy of the maker's figures; the maker publishes none directly)
- Page: https://xemstudio.com/objects/hitec-hs-55-servo/ · JSON: https://xemstudio.com/api/geometry?object=hitec-hs-55-servo · Plain text: https://xemstudio.com/objects/hitec-hs-55-servo/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 22.8 | 11.6 | 24.0 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Retailer copy of Hitec's spec table (secondary). Body dimensions; tab span not published.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

## Sizes

| dimension | value |
|---|---|
| Dimensions (in) | 0.89 × 0.45 × 0.94 |
| Dimensions (mm) | 22.8 × 11.6 × 24.0 |
| Weight | 8.0 g (0.28 oz) |
| Voltage | 4.8–6.0 V |
| Speed | 0.17–0.14 s/60° |
| Torque | 15–18 oz-in (1.1–1.3 kg·cm) |
| Gears | nylon |
| Output shaft | Feather 15/8 |

## Where the files are

- BuddyRC (retailer): [HiTec HS-55 Sub-Micro Analog Feather Servo](https://buddyrc.com/products/hs-55-economy-feather-servo-part-no-31055s) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/hitec-hs-55-servo/index.json

- hitec-hs-55-servo-envelope: [STEP](https://xemstudio.com/files/hardware/hitec-hs-55-servo/hitec-hs-55-servo-envelope.step) · [STL](https://xemstudio.com/files/hardware/hitec-hs-55-servo/hitec-hs-55-servo-envelope.stl) — Envelope 22.8 × 11.6 × 24 mm (Servo case L × W × H exactly as the maker lists it; the listing does not say whether mounting tabs or the output shaft are included)

## Questions

**What spline does the HS-55 use?**

Hitec lists the output shaft as 'Feather 15/8'.

## Fits with

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- [Hitec HS-65HB Karbonite micro servo](https://xemstudio.com/objects/hitec-hs-65hb-servo/)
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