MS51957-122 The MS51957-122 is a machine screw manufactured by QPL. It is made of stainless steel or steel with a passivated surface treatment.
Mfr Part #:

MS51957-122

Available from 1 distributors
Mfr Name: QPL
QPL
The MS51957-122 is a machine screw manufactured by QPL. It is made of stainless steel or steel with a passivated surface treatment.
✓ Total Stock: 100 pcs
$ Price Range: $0.99

MS51957-122 Available from 1 distributor

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

MS51957-122 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Head Diameter
Head Height
Head Style
Thread Length
Thread Size

MS51957-122 Description

Short technical summary and product information.

The MS51957-122 is a military standard machine screw from QPL, designed for robust applications. Constructed from stainless steel or steel, it features a passivated surface treatment for enhanced corrosion resistance. This screw conforms to the 300 series federal standard material specification and is treated with Qq-p-35 federal specification.

 

Key mechanical specifications include a thread size of 4-40 UNC (coarse thread) with a thread class of 2a and a right-hand thread direction. The fastener length ranges from 1.313 to 1.375 inches, with a thread length between 1.263 and 1.375 inches. It has a minimum tensile strength of 80,000 psi. The pan head style has a diameter between 0.205 and 0.219 inches and a height of 0.070 to 0.080 inches. The internal drive is a cross recess type 1.

 

This component is supplied in a standard package quantity of 100 pieces. It is suitable for applications requiring reliable fastening with specific material and dimensional requirements.

MS51957-122 Quick Information

Product Type: Machine Screw
Series: MS51957
Canonical Name: MS51957-122 Military Standard Machine Screw
Subcategory: Machine Screw

MS51957-122 Compliance

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

MS51957-122 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

MS51957-122 Features

  • Stainless steel or steel construction.
  • Passivated surface treatment for corrosion resistance.
  • 4-40 UNC thread size, 2a thread class.
  • 1.313 to 1.375 inch fastener length.
  • Pan head style with cross recess type 1 drive.

MS51957-122 Applications

  • Used in military standard applications.
  • Suitable for corrosive environments.
  • Requires precise thread engagement.
  • Ideal for panel mounting applications.

MS51957-122 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the thread size of MS51957-122?

The thread size is 4-40 UNC (coarse thread).

What is the fastener length?

The fastener length is between 1.313 and 1.375 inches.

What head style does this screw have?

It has a pan head style.

What drive type is used?

It uses a cross recess type 1 (Phillips) drive.

What is the material and finish?

The screw is made from stainless steel or steel with a passivated surface treatment per QQ-P-35.

What is the minimum tensile strength?

The minimum tensile strength is 80000 psi.

What is the standard package quantity?

The standard package quantity is 100 pieces.

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