4N523

View detailed technical data, stock status, and sourcing information for: 4N523
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-107-3758

Item Name Code

16749

Assigment Date

02/04/1981 (45 years ago)

8.63 millimeters minimum and 8.89 millimeters maximum second step diameter, 30.99 millimeters nominal second step length, 19.0 millimeters nominal first step length, 9.019 millimeters minimum and 9.035 millimeters maximum first step diameter, square first end style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

First End Style: square
First Step Diameter: 9.019 millimeters minimum and 9.035 millimeters maximum
First Step Length: 19.0 millimeters nominal
Second Step Diameter: 8.63 millimeters minimum and 8.89 millimeters maximum
Second Step Length: 30.99 millimeters nominal
Third Step Diameter: 6.325 millimeters minimum and 6.375 millimeters maximum
Second End Relationship With First End: identical
First End Location: both ends
Special Features: with three grooves two on small shank,one on large shank that is drilled from end 23.9 mm deep,4.78 mm dia
Material: steel comp 420 overall
Material Document And Classification: sae51420 assn std single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5315-01-068-9708	No Name Available	10/01/1991

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
4N0523	Headless Shoulder Pin
4N523	Headless Shoulder Pin
7CA268	Headless Shoulder Pin

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5315-01-107-3758?

The FSCG of the NSN 5315-01-107-3758 is 5315

Does NSN 5315-01-107-3758 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5315-01-107-3758 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-107-3758 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5315-01-107-3758 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Wed, Feb 4, 1981