79NC3-040

View detailed technical data, stock status, and sourcing information for: 79NC3-040
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-828-7648

Item Name Code

15892

Assigment Date

01/01/1962 (64 years ago)

prevailing torque with nonmetallic insert locking feature, 0.099 inches minimum and 0.111 inches maximum pilot length, 3b thread class, right-hand thread direction, 0.357 inches minimum and 0.361 inches maximum pilot 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
Locking Feature: prevailing torque with nonmetallic insert
Pilot Diameter: 0.357 inches minimum and 0.361 inches maximum
Pilot Length: 0.099 inches minimum and 0.111 inches maximum
Lubrication: soluble lubricant
Nut Style: clinch
Nut Height: 0.412 inches minimum and 0.424 inches maximum
Nut Counterbore Depth: 0.105 inches nominal nut
Width Across Flats: 0.438 inches nominal
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Material: plastic polyhexamethylene amide or plastic polycaprolactam locking insert
Material: steel comp 303 or steel comp 303se or steel comp 303 plus x nut
Material Document And Classification: ams 5604 assn std 2nd material response nut
Material Document And Classification: mil-m-20693 mil spec 1st material response locking insert
Surface Treatment: passivate overall except insert

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
2312524-5	Clinch Self-Locking Nut
57A5A29-27	Clinch Self-Locking Nut
79NC3-040	Clinch Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-828-7648?

The FSCG of the NSN 5310-00-828-7648 is 5310

Does the NSN 5310-00-828-7648 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-828-7648 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 5310-00-828-7648 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-828-7648 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 5310-00-828-7648 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962