MS21042-04 The MS21042-04 is a self-locking extended washer nut manufactured by PAOLO. It features a 4-40 thread size and is constructed from cadmium plated steel.
Mfr Part #:

MS21042-04

Available from 1 distributors
Mfr Name: Paolo
Paolo
The MS21042-04 is a self-locking extended washer nut manufactured by PAOLO. It features a 4-40 thread size and is constructed from cadmium plated steel.
Total Stock: 38 pcs
$ Price Range: $0.52

MS21042-04 Available from 1 distributor

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

MS21042-04 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Locking Feature
Material
Temperature Rating
Thread Size

MS21042-04 Description

Short technical summary and product information.

The MS21042-04 is a self-locking extended washer nut from PAOLO, designed for robust fastening applications. This nut features a 4-40 thread size with a 3b thread class and a right-hand thread direction.

 

Constructed from steel with a cadmium surface treatment conforming to QQ-P-416 federal specification, the MS21042-04 offers durability and corrosion resistance. It has a prevailing torque locking feature, ensuring a secure connection. The nut has a reduced hexagon and reduced height, with an overall height between 0.103 and 0.125 inches.

 

Key mechanical specifications include a width across flats between 0.15 and 0.158 inches. The integrated washer has a thickness of 0.01 inches and an outside diameter of 0.206 inches. This component is rated for temperatures up to 450 degrees Fahrenheit and has a hardness rating of 49.0 Rockwell.

 

The MS21042-04 is supplied with a minimum order quantity of 50 pieces. While RoHS, REACH, and MSL compliance are listed, these statuses are unverified.

MS21042-04 Quick Information

Product Type: Self-Locking Extended Washer Nut
Series: MS21042
Canonical Name: MS21042-04 Self-Locking Extended Washer Nut
Subcategory: Self-Locking Extended Washer Nut

MS21042-04 Compliance

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

MS21042-04 Estimated Pricing

Qty Low High
1+ $0.52 $0.52

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

MS21042-04 Features

  • Self-locking extended washer nut design.
  • 4-40 thread size, 3b thread class.
  • Cadmium plated steel construction.
  • Rated for 450 degrees Fahrenheit.
  • Prevailing torque all metal locking feature.

MS21042-04 Applications

  • Suitable for vibration-prone environments.
  • Used in applications requiring secure fastening.
  • Ideal for aerospace and military uses.
  • Compact design for space-constrained areas.

MS21042-04 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the thread size of the MS21042-04?

The thread size is 0.112 inches with 40 threads per inch.

What surface treatment does the MS21042-04 have?

It has a cadmium surface treatment.

What is the overall height range of the MS21042-04?

The overall height ranges from 0.103 to 0.125 inches.

What material is the MS21042-04 made of?

It is made of steel.

What is the hardness rating of the MS21042-04?

The hardness rating is 49.0 Rockwell.

What is the minimum order quantity for the MS21042-04?

The minimum order quantity is 50 units.

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