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3220 Flat nylon washer for 1/4" screws. Features 6.60mm inner diameter, 12.7mm outer diameter, and 1.57mm thickness.
Mfr Part #:

3220

Available from 1 distributors
Mfr Name: Keystone Electronics
Keystone Electronics
Flat nylon washer for 1/4" screws. Features 6.60mm inner diameter, 12.7mm outer diameter, and 1.57mm thickness.
✓ Total Stock: 60 pcs

3220 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
60 pcs
On Request
60 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.

3220 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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3220 Description

Short technical summary and product information.

The Keystone Electronics 3220 is a flat nylon washer designed for use with 1/4" screws. It is manufactured from Grade 6/6 nylon per ASTM D4066, offering good electrical insulation and mechanical strength for general-purpose applications.

 

This washer has an inner diameter of 6.60mm (0.260"), an outer diameter of 12.7mm (0.500"), and a thickness of 1.57mm (0.062"). The flat profile provides uniform load distribution and prevents damage to surfaces under fastener heads.

 

Intended for use in low-load mechanical assemblies, the 3220 can also serve as a spacer or insulator in electronic and industrial hardware. The nylon material is RoHS3 compliant, REACH unaffected, and has MSL 1 unlimited moisture sensitivity level.

3220 Quick Information

Product Type: Flat Washer
Canonical Name: Flat Nylon Washer, 1/4" Screw, 6.60mm ID, 12.7mm OD, 1.57mm Thick
Subcategory: Nylon Washer

3220 Compliance

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

3220 Features

  • Flat nylon washer for 1/4" screw size.
  • Inner diameter of 6.60mm (0.260").
  • Outer diameter of 12.7mm (0.500").
  • Thickness of 1.57mm (0.062").
  • Made of Grade 6/6 nylon per ASTM D4066.

3220 Applications

  • Provides electrical insulation under screw heads.
  • Prevents surface damage from fastener tightening.
  • Used in mechanical assemblies for spacing.
  • Suitable for low-load hardware applications.

3220 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the material of the 3220 washer?

Nylon Grade 6/6 per ASTM D4066.

What are the dimensions of the 3220 flat washer?

Inner diameter 6.60mm, outer diameter 12.7mm, thickness 1.57mm.

What screw size is the 3220 washer designed for?

1/4" screw.

Is the 3220 washer RoHS compliant?

Yes, RoHS3 compliant (low confidence, unverified).

What is the MSL level of the 3220 washer?

MSL 1 Unlimited.

What is the REACH status of the 3220 washer?

REACH Unaffected.

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