343 Fibre shoulder washer for #4 screw size with 3.2mm inner diameter, 7.9mm outer diameter, and 1.57mm flange thickness.
Mfr Part #:

343

Available from 1 distributors
Mfr Name: Keystone Electronics
Keystone Electronics
Fibre shoulder washer for #4 screw size with 3.2mm inner diameter, 7.9mm outer diameter, and 1.57mm flange thickness.
✓ Total Stock: 200 pcs
$ Price Range: $0.02 - $0.05

343 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
200 pcs
200 pcs On Request 1 On Request On Request On Request On Request On Request

343 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Diameter
Length
Material
Outer Diameter
Thickness
Thread

343 Description

Short technical summary and product information.

The Keystone Electronics 343 is a fibre shoulder washer designed for use with #4 screws. It features a 3.2mm inner diameter, a 7.9mm outer diameter, and a 5.2mm shoulder diameter with a 0.64mm shoulder length. The flange thickness is 1.57mm.

 

The washer is made from commercial grade fibre material, conforming to ASTM D710. It is RoHS compliant. This component is suitable for electrical insulation and spacing applications where a non-conductive, durable washer is required.

343 Quick Information

Product Type: Shoulder Washer
Canonical Name: Fibre Shoulder Washer, #4 Screw Size, 3.2mm Inner Diameter, 7.9mm Outer Diameter
Subcategory: Fibre Washer

343 Compliance

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

343 Estimated Pricing

Qty Low High
1+ $0.05 $0.05
10+ $0.04 $0.04
50+ $0.03 $0.03
100+ $0.03 $0.03
250+ $0.02 $0.02
1,000+ $0.02 $0.02
2,500+ $0.02 $0.02
5,000+ $0.02 $0.02

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

343 Features

  • Fibre shoulder washer for #4 screw size.
  • 3.2mm inner diameter, 7.9mm outer diameter.
  • 1.57mm flange thickness.
  • Commercial grade fibre per ASTM D710.
  • RoHS compliant.

343 Applications

  • Electrical insulation for #4 screw mounting.
  • Spacing and alignment in electronic assemblies.
  • Panel mounting and bushing applications.

343 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the inner diameter of the Keystone 343 washer?

The inner diameter is 3.2mm (0.125 inches).

What is the outer diameter of the Keystone 343 washer?

The outer diameter is 7.9mm (0.312 inches).

What screw size is the Keystone 343 washer designed for?

It is designed for a #4 screw size.

What material is the Keystone 343 washer made from?

It is made from commercial grade fibre per ASTM D710.

Is the Keystone 343 washer RoHS compliant?

Yes, it is RoHS compliant.

Home
Account

Categories