3M943E4B9-4

View detailed technical data, stock status, and sourcing information for: 3M943E4B9-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-371-5820

Item Name Code

16749

Assigment Date

02/19/1993 (33 years ago)

A cylindrically-shaped headless item, having a shank at one or both ends. It is used for aligning, fastening, or transfer of torque and/or thrust by fitting into corresponding holes of another item. It may be threaded on one end.

chamfered second end style, right-hand thread direction, 3a thread class, 0.405 inches nominal thread length, 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
Second End Style: chamfered
Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.405 inches nominal
Shank Length: 0.967 inches nominal
Shoulder Diameter: 0.438 inches nominal
Shank Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Overall Length: 1.422 inches minimum and 1.502 inches maximum
Second End Taper Length: 0.100 inches minimum and 0.140 inches maximum
Second End Relationship With First End: not identical
Nominal Thread Size: 0.250 inches
Second Shank Diameter: 0.2490 inches minimum and 0.2495 inches maximum
First End Location: threaded end
Second End Tip Radius: 0.060 inches minimum and 0.090 inches maximum
Second Shank Length: 0.330 inches minimum and 0.410 inches maximum
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: shoulder
Thread Series Designator: unjf

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
11415E4B9-4	Headless Shoulder Pin
3M943E4B9-4	Headless Shoulder Pin
AAP139E4B9-4	Headless Shoulder Pin
D792684BE9N4	Headless Shoulder Pin
VS3258E4B9-4	Headless Shoulder Pin

FAQs

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

What is the FSCG of the NSN 5315-01-371-5820?

The FSCG of the NSN 5315-01-371-5820 is 5315

Does NSN 5315-01-371-5820 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 5315-01-371-5820 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-371-5820 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 5315-01-371-5820 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Feb 19, 1993