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3158 Nylon flat washer for #4 thread size, with 3.05mm inner diameter, 9.5mm outer diameter, and 1.19mm thickness. Suitable for insulation and spacing in electronic assemblies.
Mfr Part #:

3158

Available from 1 distributors
Mfr Name: Keystone Electronics
Keystone Electronics
Nylon flat washer for #4 thread size, with 3.05mm inner diameter, 9.5mm outer diameter, and 1.19mm thickness. Suitable for insulation and spacing in electronic assemblies.
✓ Total Stock: 40 pcs
$ Price Range: $0.02 - $0.04

3158 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
ADI/AAR OEM Supply ✓
Non-Authorised Inventory information
40 pcs
On Request
40 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.

3158 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Diameter
Material
Outer Diameter
Thickness
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Type
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3158 Description

Short technical summary and product information.

The Keystone Electronics 3158 is a flat washer designed for #4 thread hardware. Made from Nylon 6/6 material, this washer provides electrical insulation and wear resistance in tightly spaced assemblies.

 

The washer has an inner diameter of 3.05mm (0.120"), an outer diameter of 9.5mm (0.375"), and a thickness of 1.19mm (0.047"). The nylon construction offers good mechanical strength and durability in general-purpose applications.

3158 Quick Information

Product Type: Flat Washer
Series: 3158
Canonical Name: Flat Washer, #4 Thread Size, Nylon, 3.05mm ID, 9.5mm OD, 1.19mm Thick
Subcategory: Nylon Washer

3158 Compliance

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

3158 Estimated Pricing

Qty Low High
1+ $0.04 $0.04
10+ $0.03 $0.03
50+ $0.02 $0.02
100+ $0.02 $0.02

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

3158 Features

  • Flat nylon washer for #4 thread size.
  • 3.05mm inner diameter and 9.5mm outer diameter.
  • 1.19mm thickness for spacing and insulation.
  • Nylon 6/6 material resists wear and corrosion.
  • RoHS3 and REACH compliant.

3158 Applications

  • Insulating spacers in electronic assemblies.
  • Protecting surfaces from screw head galling.
  • Spacing components in low-torque fastening systems.
  • General-purpose nylon washer applications.

3158 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the inner diameter of the 3158 washer?

3.05mm (0.120").

What material is the Keystone 3158 washer made from?

Nylon (Grade 6/6 per ASTM D4066).

Is the Keystone 3158 washer RoHS compliant?

RoHS3 compliant (unverified).

What is the thickness of the 3158 flat washer?

1.19mm (0.047").

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