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MS21045-04 The MS21045-04 is a self-locking hexagon nut manufactured by QPL. It features a 4-40 thread size and is constructed from steel with cadmium plating.
Mfr Part #:

MS21045-04

Available from 1 distributors
Mfr Name: QPL
QPL
The MS21045-04 is a self-locking hexagon nut manufactured by QPL. It features a 4-40 thread size and is constructed from steel with cadmium plating.
✓ Total Stock: 150 pcs
$ Price Range: $1.00

MS21045-04 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
150 pcs
On Request
150 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.

MS21045-04 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Locking Feature
Material
Mounting Type
Storage Temperature
Tape & Reel
Temperature Rating
Thread Size
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MS21045-04 Description

Short technical summary and product information.

The MS21045-04 is a self-locking hexagon nut from QPL, designed for reliable fastening applications. This nut features a 4-40 thread size with a 3B thread class and a right-hand thread direction.

 

Constructed from durable steel with a cadmium surface treatment conforming to Cl 3 federal specification, the MS21045-04 offers a prevailing torque all-metal locking feature. Its dimensions include a nut height between 0.133 and 0.157 inches, and a width across flats between 0.243 and 0.251 inches. The bearing surface is chamfered or washer faced with a finish of 125 microinches and a countersink angle of 88 degrees.

 

This nut is rated for temperatures up to 450°F and utilizes a soluble lubricant. The MS21045 series nuts are known for their robust design and suitability for demanding environments.

MS21045-04 Quick Information

Product Type: Self-Locking Hexagon Nut
Series: MS21045
Canonical Name: MS21045-04 Military Standard Locking Hexagon Nut
Subcategory: Self-Locking Hexagon Nut

MS21045-04 Compliance

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

MS21045-04 Estimated Pricing

Qty Low High
1+ $1.00 $1.00

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

MS21045-04 Features

  • Self-locking hexagon nut with 4-40 thread.
  • Durable steel construction with cadmium plating.
  • Prevailing torque all-metal locking feature.
  • Rated for high temperatures up to 450°F.
  • Meets federal specification for surface treatment.

MS21045-04 Applications

  • Used in demanding mechanical assemblies.
  • Suitable for high-temperature environments.
  • Provides secure and reliable fastening.
  • Ideal for aerospace and military applications.

MS21045-04 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the thread size of the MS21045-04?

The thread size is 0.112 inches.

What is the thread series of the MS21045-04?

The thread series is UNJC.

What is the thread class of the MS21045-04?

The thread class is 3B.

What material is used for the MS21045-04?

The part is made of steel.

What surface treatment does the MS21045-04 have?

It has a cadmium surface treatment.

What is the maximum temperature rating for the MS21045-04?

The temperature rating is 450°F.

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