5310-00-220-2521

Find complete technical information, availability, and procurement data for: 5310-00-220-2521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-220-2521

Item Name Code

15887

Assigment Date

02/07/1969 (57 years ago)

0.187 inches nominal drive point depth, 3b thread class, right-hand thread direction, round nut style, 1.656 inches nominal small end diameter

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Small End Diameter: 1.656 inches nominal
Drive Point Depth: 0.187 inches nominal
Nut Style: round
Nut Diameter: 1.906 inches nominal
Nut Thickness: 0.312 inches nominal
Drive Point Width: 0.188 inches nominal
Undercut Thickness: 0.125 inches nominal
Drive Point Quantity: 8
Drilled Hole Diameter: 0.094 inches nominal
Hole Type And Quantity: 8 drilled
Thread Series: unef
Thread Quantity Per Inch: 18
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum
Nominal Thread Size: 1.375 inches
Hole Configuration Style: configuration f
Countersink Angle: 90.0 degrees nominal nut
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: ss8416 fscm 78286 mfr ref single treatment 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
65370-04140-102	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-220-2521?

The FSCG of the NSN 5310-00-220-2521 is 5310

Does the NSN 5310-00-220-2521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-220-2521 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 5310-00-220-2521 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-220-2521 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 5310-00-220-2521 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Feb 7, 1969