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8556 Knurled straight plastic knob from Keystone Electronics with 0.250" shaft diameter. Features ABS body, spun aluminum inlay, and brass nickel-plated insert with two 8-32 set screws.
Mfr Part #:

8556

Available from 1 distributors
Mfr Name: Keystone Electronics
Keystone Electronics
Knurled straight plastic knob from Keystone Electronics with 0.250" shaft diameter. Features ABS body, spun aluminum inlay, and brass nickel-plated insert with two 8-32 set screws.
✓ Total Stock: 5,879 pcs
$ Price Range: $8.79 - $12.15

8556 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
5,879 pcs
On Request
5879 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

8556 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Body Material
Color
Diameter
Features
Height
Indicator
Material
Mounting Type
Shaft Size
Style
Tape & Reel
Termination Style
Type
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8556 Description

Short technical summary and product information.

The Keystone Electronics 8556 is a knurled straight cylindrical plastic knob designed for 0.250" (6.35mm) shafts. It features a black ABS plastic body with a spun aluminum inlay and a brass nickel-plated insert. The knob includes two 8-32 set screws for secure shaft attachment.

 

With a diameter of 23.4mm (0.920") and a height of 25.7mm (1.010"), this knob provides a comfortable grip and clear visual indicator via a line on top. The inner diameter is 11.7mm (0.460") with a counterbore diameter of 23.1mm (0.910") and counterbore depth of 8.4mm (0.330").

 

This knob is suitable for instrumentation and control panel applications where a durable, non-conductive knob with a metallic accent is required. The plastic body offers electrical insulation, while the metal insert provides robust shaft retention. The knob is RoHS compliant, meeting environmental standards.

8556 Quick Information

Product Type: Knob
Canonical Name: Keystone Electronics 8556 Knurled Straight Plastic Knob, 0.250" Shaft, 23.4mm Diameter, 25.7mm Height
Subcategory: Instrument Knobs

8556 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

8556 Estimated Pricing

Qty Low High
1+ $12.15 $12.15
10+ $9.61 $9.61
100+ $8.79 $8.79

Estimated market price range - modelled values for guidance only, not live distributor offers.

8556 Features

  • Knurled straight plastic body with aluminum inlay.
  • Fits 0.250" (6.35mm) shafts with two set screws.
  • Black ABS plastic with brass nickel-plated insert.
  • Line indicator on top for position reference.
  • RoHS compliant for environmental compliance.

8556 Applications

  • Used in instrumentation and control panel knobs.
  • Suitable for laboratory equipment and test fixtures.
  • Ideal for audio equipment or volume control applications.

8556 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the RoHS status of the 8556 knob?

RoHS3 Compliant, verified from datasheet.

What shaft diameter does the 8556 knob fit?

0.250" (6.35mm) shaft diameter.

What is the body material of the 8556 knob?

Black ABS plastic with spun aluminum inlay and brass nickel-plated insert.

What are the dimensions of the 8556 knob?

Diameter: 23.4mm (0.920"), Height: 25.7mm (1.010").

How is the 8556 knob attached to the shaft?

Using two 8-32 set screws (brass, nickel-plated).

Does the 8556 knob have an indicator?

Yes, a line on top for position reference.

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