S-440-0

View detailed technical data, stock status, and sourcing information for: S-440-0
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-035-8376

Item Name Code

01860

Assigment Date

02/17/1977 (49 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

2b thread class, right-hand thread direction, 0.025 inches minimum and 0.030 inches maximum pilot length, 0.161 inches minimum and 0.164 inches maximum pilot diameter, clinch nut style

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Pilot Diameter: 0.161 inches minimum and 0.164 inches maximum
Pilot Length: 0.025 inches minimum and 0.030 inches maximum
Nut Style: clinch
Nut Diameter: 0.235 inches minimum and 0.265 inches maximum
Nut Height: 0.072 inches minimum and 0.107 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 40
Hardness Rating: 35.0 rockwell c maximum
Nominal Thread Size: 0.112 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-721-4598	No Name Available	01/01/1989

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
0N205241-1	Clinch Plain Nut
M45938/1-3	Clinch Plain Nut
S-440-0	Clinch Plain Nut
S-440-0CI	Clinch Plain Nut
S-440-0ZC	Clinch Plain Nut
S440-0	Clinch Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-035-8376?

The FSCG of the NSN 5310-01-035-8376 is 5310

Does the NSN 5310-01-035-8376 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-035-8376 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 5310-01-035-8376 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-035-8376 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 5310-01-035-8376 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Feb 17, 1977