Standard RC Servo, Hitec HS-422

The Hitec HS-422 is a standard servo: its case is 40.6 mm long, 19.8 mm wide and 36.6 mm high, and its ears span 53.4 mm, with 4.5 mm mounting holes 48.4 mm apart. Modeled as simplified STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: Hitec HS-422 servo
• Model id: rc-servos-hitec-hs422
• Standard: RC servo · size Hitec HS-422

Files

Part key	Simplified
rc-servos-hitec-hs422	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
L	Case length		40.6		40.6	nominal	L2
W	Case width		19.8		19.8	nominal	L2
Hc	Case height		36.6		36.6	nominal	L2
E	Ear span		53.4		53.4	nominal	L2
He	Ear height		26.8		26.8	nominal	L2
te	Ear thickness		2.5		2.5	nominal	L2
A	Mounting hole spacing		48.4		48.4	nominal	L2
b	Hole spacing across		10		10	nominal	L2
dh	Mounting hole diameter		4.5		4.5	nominal	L2
xo	Output position		14.2		14.2	nominal	L2
xf	Output position, far ear		34.2		34.2	nominal	L2
hh	Horn top above the case		6.5		6.5	nominal	L2
hu	Horn clearance over the ears		11.8		11.8	nominal	L2
lw	Lead length		300		300	nominal	L2
lc	Connector length		14		14	nominal	L2

Drawing

As a PDF: CC-SERVO-SZ-hitec-hs422.pdf.

The Hitec HS-422 RC servo beside the Hitec HS-311

The Hitec HS-422 is the last of the 3 RC servo RC servos published here, listed from Hitec HS-55 to Hitec HS-422.

• Case length (L): 40.6 mm on the Hitec HS-422 RC servo, against 40 mm on the Hitec HS-311.
• Case width (W): 19.8 mm on the Hitec HS-422 RC servo, against 20 mm on the Hitec HS-311.
• Case height (Hc): 36.6 mm on the Hitec HS-422 RC servo, against 36.5 mm on the Hitec HS-311.
• Ear span (E): 53.4 mm on the Hitec HS-422 RC servo, against 52.8 mm on the Hitec HS-311.
• Ear height (He): 26.8 mm on the Hitec HS-422 RC servo, against 26.5 mm on the Hitec HS-311.
• Ear thickness (te): 2.5 mm on the Hitec HS-422 RC servo, the same on the Hitec HS-311.
• Mounting hole spacing (A): 48.4 mm on the Hitec HS-422 RC servo, against 47.8 mm on the Hitec HS-311.
• Hole spacing across (b): 10 mm on the Hitec HS-422 RC servo, against 10.2 mm on the Hitec HS-311.

Other sizes

• One size smaller: Standard RC Servo, Hitec HS-311, standard servo, case 40 × 20 × 36.5 mm, ears 52.8 mm, 4.5 mm mounting holes 47.8 mm apart.

Documents

• CC-SERVO-DS-HITEC-HS422.pdf: hitec-hs422 datasheet: values with levels, sources
• CC-SERVO-SZ-hitec-hs422.pdf: hitec-hs422 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

hitec-hs422-drawing, hitec-hs422-product, hitec-hs422-spec-jp. Full citations: the method page and this size's datasheet.

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