HY-521-12

View detailed technical data, stock status, and sourcing information for: HY-521-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-059-0857

Item Name Code

15892

Assigment Date

01/01/1963 (63 years ago)

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

0.135 inches nominal pilot length, 0.273 inches nominal pilot diameter, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 3b thread class

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
Locking Feature: prevailing torque with nonmetallic insert
Pilot Diameter: 0.273 inches nominal
Pilot Length: 0.135 inches nominal
Nut Style: clinch
Nut Height: 0.385 inches nominal
Width Across Flats: 0.375 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.164 inches
Material: aluminum alloy 2017 nut
Material: fiber or plastic locking insert
Material Document And Classification: qq-a-225/5,alloy 2017 fed spec 2nd material response nut
Surface Treatment: anodize nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-619-2285	No Name Available	03/17/2023

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
333-0212-00	Clinch Self-Locking Nut
333-0212-000	Clinch Self-Locking Nut
590857	Clinch Self-Locking Nut
68NC4-82	Clinch Self-Locking Nut
HY-521-12	Clinch Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-059-0857?

The FSCG of the NSN 5310-00-059-0857 is 5310

Does the NSN 5310-00-059-0857 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-00-059-0857 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 5310-00-059-0857 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-059-0857 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 5310-00-059-0857 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963