2042-78

View detailed technical data, stock status, and sourcing information for: 2042-78
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-226-8514

Item Name Code

02390

Assigment Date

02/24/1986 (40 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

0.376 inches minimum and 0.377 inches maximum first hole diameter, countersunk first end style, 8.000 inches minimum and 8.030 inches maximum pin overall length, 1.8100 inches minimum and 1.8110 inches maximum pin overall diameter, drilled thru center hole arrangement 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: countersunk
Hole Arrangement Style: drilled thru center
First Hole Diameter: 0.376 inches minimum and 0.377 inches maximum
Pin Overall Length: 8.000 inches minimum and 8.030 inches maximum
Pin Overall Diameter: 1.8100 inches minimum and 1.8110 inches maximum
Second End Relationship With First End: identical
Hardness Rating: 50.5 rockwell c minimum and 53.0 rockwell c maximum overall
Criticality Code Justification: achu
First End Countersink Angle: 60.0 degrees nominal
Surface Finish: 32.0 microinches both ends
First End Countersink Diameter: 1.120 inches nominal
Material: steel comp 4340 overall
Material Document And Classification: mil-s-8844,class 1 mil spec single material response overall

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
2042-78	Headless Straight Pin

FAQs

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

What is the FSCG of the NSN 5315-01-226-8514?

The FSCG of the NSN 5315-01-226-8514 is 5315

Does the NSN 5315-01-226-8514 have a Schedule B code assigned?

Yes, the Schedule B code is 7319409000

Does NSN 5315-01-226-8514 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 5315-01-226-8514 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-226-8514 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 5315-01-226-8514 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Feb 24, 1986