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3403 Round spacer for #6 screw, unthreaded, aluminum with Iridite plating, 0.125" (3.18mm) length and 0.144" (3.66mm) outer diameter.
Mfr Part #:

3403

Available from 1 distributors
Mfr Name: Keystone Electronics
Keystone Electronics
Round spacer for #6 screw, unthreaded, aluminum with Iridite plating, 0.125" (3.18mm) length and 0.144" (3.66mm) outer diameter.
✓ Total Stock: 195 pcs

3403 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
195 pcs
On Request
195 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 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.

3403 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Between Board Height
Diameter
Gender
Length
Material
Military Grade
Plating
Screw, Thread Size
Threaded
Type
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3403 Description

Short technical summary and product information.

This Keystone Electronics 3403 is a round spacer designed for use with #6 screws. It is made of aluminum with an Iridite plating for corrosion resistance. The spacer is unthreaded and has a female-female configuration, allowing it to be used as a standoff between boards. The length is 0.125" (3.18mm) and the outer diameter is 0.144" (3.66mm). It is RoHS compliant (unverified) and has an MSL of 1 (unlimited). Due to its unthreaded design, it is suitable for applications where a simple spacing solution is needed without threaded engagement.

3403 Quick Information

Product Type: Round Spacer
Canonical Name: Round Spacer, Female-Female, Unthreaded, #6 Screw, Aluminum, Iridite, 0.125" (3.18mm) Length, 0.144" (3.66mm) OD
Subcategory: Unthreaded Spacer

3403 Compliance

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

3403 Features

  • Aluminum round spacer for #6 screws.
  • Unthreaded design with female-female ends.
  • Iridite plating for corrosion resistance.
  • 0.125" (3.18mm) length and 0.144" (3.66mm) OD.

3403 Applications

  • Used as a board-to-board spacer in electronics.
  • Suitable for spacing components on PCBs.
  • Provides clearance for through-hole components.
  • Ideal for non-critical mechanical spacing.

3403 FAQs

6 frequently asked questions generated from this part’s specifications.
Is the 3403 spacer RoHS compliant?

Yes, the part is marked as RoHS3 compliant, but this status is unverified.

What material is the 3403 spacer made of?

Aluminum with Iridite plating.

What is the length of the 3403 spacer?

0.125" (3.18mm).

What screw size is the 3403 spacer designed for?

#6 screw.

Is the 3403 spacer threaded?

No, it is unthreaded.

What is the outer diameter of the 3403 spacer?

0.144" (3.66mm).

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