MS51958-81 The MS51958-81 is a machine screw from QPL with a 1/4"-28 UNF thread and a 3/4" length. It features a pan head and is made of stainless steel.
Mfr Part #:

MS51958-81

Available from 1 distributors
Mfr Name: QPL
QPL
The MS51958-81 is a machine screw from QPL with a 1/4"-28 UNF thread and a 3/4" length. It features a pan head and is made of stainless steel.
✓ Total Stock: 314 pcs
$ Price Range: $0.05

MS51958-81 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
314 pcs
314 pcs On Request 1 On Request On Request On Request On Request On Request

MS51958-81 Specifications Quick View

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

MS51958-81 Description

Short technical summary and product information.

The MS51958-81 is a military standard machine screw manufactured by QPL. This screw features a 1/4" diameter with a 28 TPI fine thread (UNF) and a length of 3/4". The head style is a pan head with a cross recess type 1 internal drive. Constructed from stainless steel (options include Steel comp 302, 303, 304, or 305) and passivated for surface treatment, it offers a minimum tensile strength of 80,000 psi.

 

This component adheres to a thread class of 2A and has a right-hand thread direction. The head diameter ranges between 0.473 and 0.492 inches, with a head height between 0.162 and 0.175 inches. It is classified under the MS51958 series and has an NSN of 5305-00-059-3677. The standard package quantity is 25 pieces, with a minimum order quantity of 25.

 

The MS51958-81 is RoHS3 compliant, has an MSL of 1 Unlimited, and is REACH unaffected. This screw is suitable for various mechanical fastening applications where military-standard components are required.

MS51958-81 Quick Information

Product Type: Machine Screw
Series: MS51958
Canonical Name: MS51958-81 Machine Screw, 1/4-28 UNF Thread, 3/4" Length, Pan Head, Stainless Steel
Subcategory: Machine Screw

MS51958-81 Compliance

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

MS51958-81 Estimated Pricing

Qty Low High
1+ $0.05 $0.05

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

MS51958-81 Features

  • 1/4"-28 UNF thread size.
  • 3/4" fastener length.
  • Pan head style.
  • Stainless steel construction.
  • RoHS3 compliant.

MS51958-81 Applications

  • General-purpose military standard fastening applications.
  • Suitable for assemblies requiring UNF fine threads.
  • Used in aerospace and defense hardware.
  • Ideal for corrosion-resistant passivated steel fasteners.

MS51958-81 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the thread size and type of the MS51958-81 machine screw?

The MS51958-81 machine screw has a 1/4" thread diameter with 28 threads per inch, designated as UNF (fine thread).

What is the length of the MS51958-81 machine screw?

The MS51958-81 machine screw has a fastener length of 0.750 inches.

What material is the MS51958-81 machine screw made from?

The MS51958-81 machine screw is made from stainless steel, with options including Steel comp 302, 303, 304, or 305.

What is the head style of the MS51958-81 machine screw?

The MS51958-81 machine screw features a pan head style.

What is the minimum tensile strength of the MS51958-81 machine screw?

The minimum tensile strength for the MS51958-81 machine screw is 80,000 psi.

What is the standard package quantity for the MS51958-81 machine screw?

The standard package quantity for the MS51958-81 machine screw is 25 pieces.

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