Mfr Part #:

3049

Available from 2 distributors

Mfr Name: Keystone Electronics

Nylon shoulder washer for #4 screw size. 0.79mm length, 5.5mm outer diameter, 2.9mm inner diameter.

✓ Total Stock: 2,844 pcs

$ Price Range: $0.05 - $0.11

3049 Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Hybrid Electronics ✓ Non-Authorised Inventory information	2,752 pcs On Request	2752 pcs	On Request	1	On Request	On Request	0912	On Request	On Request
ADI/AAR OEM Supply ✓ Non-Authorised Inventory information	92 pcs On Request	92 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

3049 Description

Short technical summary and product information.

The Keystone 3049 is a nylon shoulder washer designed for use with #4 screws. It provides electrical insulation and mechanical spacing in a variety of applications.

This washer has an outer diameter of 5.5mm (0.218"), an inner diameter of 2.9mm (0.115"), and a shoulder diameter of 3.4mm (0.135"). The overall length is 0.79mm (0.031") and the shoulder thickness is 1.0mm (0.040").

Manufactured from Nylon 6/6 per ASTM D4066, it offers good insulating properties and mechanical strength. The component is RoHS3 compliant.

Ideal for use in electronic assemblies, panel mounting, and other applications requiring a non-conductive, wear-resistant spacer. Thread size is #4.

3049 Quick Information

Product Type: Shoulder Washer

Canonical Name: Nylon Shoulder Washer, #4 Screw Size, 0.79mm Length, 5.5mm OD

Subcategory: Nylon Washer

3049 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

3049 Estimated Pricing

Qty	Low	High
1+	$0.11	$0.11
10+	$0.08	$0.08
25+	$0.07	$0.07
100+	$0.06	$0.06
500+	$0.05	$0.05

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

3049 Features

Nylon 6/6 material for electrical insulation.
Designed for #4 screw size.
5.5mm outer diameter, 2.9mm inner diameter.
0.79mm overall length, 1.0mm shoulder thickness.
RoHS3 compliant.

3049 Applications

Used for insulating and spacing in electronic assemblies.
Suitable for panel mounting and PCB spacers.
Provides mechanical support in fastener applications.

3049 FAQs

4 frequently asked questions generated from this part’s specifications.

What is the RoHS status of the 3049 washer?

RoHS3 compliant as verified by manufacturer datasheet.

What material is the 3049 washer made of?

Nylon 6/6 per ASTM D4066.

What are the dimensions of the 3049 shoulder washer?

Outer diameter 5.5mm, inner diameter 2.9mm, shoulder diameter 3.4mm, length 0.79mm, shoulder thickness 1.0mm.

What screw size is the 3049 washer designed for?

#4 screw size.