5310-01-230-0406

Find complete technical information, availability, and procurement data for: 5310-01-230-0406
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-230-0406

Item Name Code

05280

Assigment Date

04/09/1986 (40 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.196 inches minimum and 0.202 inches maximum overall counterbore diameter, prevailing torque with metallic insert locking feature, 2b thread class, 0.128 inches minimum and 0.135 inches maximum mounting hole diameter, right-hand thread direction

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
Locking Feature: prevailing torque with metallic insert
Counterbore Diameter: 0.196 inches minimum and 0.202 inches maximum overall
Mounting Hole Diameter: 0.128 inches minimum and 0.135 inches maximum
Nut Style: plate
Nut Length: 0.975 inches minimum and 0.995 inches maximum
Nut Height: 1.780 inches minimum and 1.820 inches maximum
Plate Thickness: 0.050 inches minimum and 0.070 inches maximum
Plate Width: 0.386 inches minimum and 0.406 inches maximum
Nut Counterbore Depth: 1.370 inches minimum and 1.390 inches maximum overall
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.344 inches nominal
Center To Center Distance Between Mounting Holes Along Length: 0.686 inches minimum and 0.690 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: aluminum alloy 6061 overall
Material Document And Classification: mil-a-12545 mil spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,ty 1 mil spec 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
BACN10TL3A18	Plate Self-Locking Nut
WSI-4A-18	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-230-0406?

The FSCG of the NSN 5310-01-230-0406 is 5310

Does the NSN 5310-01-230-0406 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-01-230-0406 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 5310-01-230-0406 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-230-0406 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 5310-01-230-0406 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Apr 9, 1986