Mfr Part #:

MS51957-22

Mfr Name: NEF

The NEF MS51957-22 is a machine screw with a 1-1/4 inch length and a 4-40 thread size. It features a pan head style and is constructed from steel.

✓ Total Stock: 28 pcs

$ Price Range: $2.16

MS51957-22 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	28 pcs On Request	28 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

MS51957-22 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	NEF
Head Style	Pan
Length	1-1/4"
Thread	4-40
Thread Length	1-1/4"
Thread Size	4

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MS51957-22 Description

Short technical summary and product information.

This MS51957-22 machine screw from NEF is manufactured to military standards. It has a length of 1-1/4 inches and a thread size of 4-40 UNC with a thread class of 2A. The screw features a pan head style with a cross recess internal drive and a head height between 0.070 and 0.080 inches. The head diameter ranges from 0.205 to 0.219 inches.

The material is specified as steel, compliant with federal standard 66, and can be steel comp 302, 303, 304, 305, or 316. The surface treatment is passivate, meeting the Qq-p-35 federal specification. The minimum tensile strength is 80,000 psi. The thread length is between 1.200 and 1.250 inches, and the thread diameter is 0.112 inches. This screw is sold in increments of 100, with a minimum order quantity of 100.

Manufacturer certifications are shipped free of charge with your order. This part is part of the MS51957 series.

MS51957-22 Quick Information

Product Type: Machine Screw

Series: MS51957

Canonical Name: MS51957-22 Machine Screw

Subcategory: Machine Screw

MS51957-22 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MS51957-22 Estimated Pricing

Qty	Low	High
1+	$2.16	$2.16

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

MS51957-22 Features

1-1/4 inch length, 4-40 UNC thread.
Pan head style with cross recess drive.
Steel construction, passivated surface treatment.
Minimum tensile strength of 80,000 psi.
MS51957 series military standard screw.

MS51957-22 Applications

Used in military and aerospace applications.
Suitable for general mechanical assembly.
Ideal for fastening components securely.
Reliable in demanding environmental conditions.

MS51957-22 FAQs

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

What is the length of the MS51957-22 machine screw?

The length of the MS51957-22 machine screw is 1-1/4 inches.

What is the thread size and type for the MS51957-22 screw?

The MS51957-22 screw has a 4-40 thread size with a UNC (coarse thread) series designator and a thread class of 2A.

What material is the MS51957-22 machine screw made from?

The MS51957-22 machine screw is made from steel, compliant with federal standard 66, and can be steel comp 302, 303, 304, 305, or 316.

What is the surface treatment for the MS51957-22 screw?

The surface treatment for the MS51957-22 screw is passivate, meeting the Qq-p-35 federal specification.

What is the minimum tensile strength of the MS51957-22 screw?

The minimum tensile strength of the MS51957-22 screw is 80,000 psi.

What is the standard package quantity for the MS51957-22 machine screw?

The standard package quantity for the MS51957-22 machine screw is 100.