K3031-3

View detailed technical data, stock status, and sourcing information for: K3031-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-680-6840

Item Name Code

05280

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter, prevailing torque all metal design locking feature, plate nut style, 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 all metal design
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.653 inches nominal
Nut Height: 0.220 inches nominal
Plate Thickness: 0.032 inches nominal
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.344 inches nominal
Temp Rating: 900.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: steel corrosion resisting overall
Precious Material: silver
Surface Treatment: silver overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-559-0384	No Name Available	05/18/1966

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
12720-02	Plate Self-Locking Nut
BACN10LH-P38	Plate Self-Locking Nut
K3031-1032	Plate Self-Locking Nut
K3031-3	Plate Self-Locking Nut
LHTA55-2860-02	Plate Self-Locking Nut
T7C1032	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-680-6840?

The FSCG of the NSN 5310-00-680-6840 is 5310

Does the NSN 5310-00-680-6840 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-680-6840 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 5310-00-680-6840 contain precious materials?

Item contains silver.

Does NSN 5310-00-680-6840 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 5310-00-680-6840 was assigned to the Federal Catalog?

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