Hitec HS-40 nano servo — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/hitec-hs-40-servo/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Hitec RCD)
Catalog version: 2026-10-20

Overall (mm): length 20.0, width 8.6, height 17.0
- From Hitec's product page.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

dimension  value
Dimensions (in)  0.79 × 0.34 × 0.67
Dimensions (mm)  20.0 × 8.6 × 17.0
Weight  4.8 g (0.17 oz)
Voltage  4.8–6.0 V
Speed  0.12–0.10 s/60°
Torque  8.4–10.5 oz-in (0.6–0.75 kg·cm)
Gears  resin
Bearing  none
Output shaft  Feather 15 / 8

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Hitec RCD: HS-40 Economical Nano Servo — web — Publisher's page; dimensions are facts — https://hitecrcd.com/search/product_home/HS-40

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/hitec-hs-40-servo/index.json
API: https://xemstudio.com/api/geometry?object=hitec-hs-40-servo