5310-01-199-4390

Find complete technical information, availability, and procurement data for: 5310-01-199-4390
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-199-4390

Item Name Code

15887

Assigment Date

01/22/1985 (41 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.

round nut style, 0.040 inches minimum and 0.050 inches maximum drive point depth, right-hand thread direction, 0.395 inches minimum and 0.405 inches maximum nut diameter, 2b 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: 2b
Thread Direction: right-hand
Drive Point Depth: 0.040 inches minimum and 0.050 inches maximum
Nut Style: round
Nut Diameter: 0.395 inches minimum and 0.405 inches maximum
Nut Thickness: 0.099 inches minimum and 0.101 inches maximum
Drive Point Width: 0.077 inches minimum and 0.083 inches maximum
Drive Point Quantity: 4
Thread Series: uns
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.250 inches
Part Name Assigned By Controlling Agency: navy special project
Material: copper alloy 360 overall
Material Document And Classification: qq-b-626,1/2 hard fed spec single material response overall
Precious Material And Location: overall gold
Precious Material: gold
Surface Treatment: gold overall
Surface Treatment Document And Classification: mil-g-45204,ty 2,gr c or d,cl 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
3588147	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-199-4390?

The FSCG of the NSN 5310-01-199-4390 is 5310

Does the NSN 5310-01-199-4390 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-01-199-4390 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 5310-01-199-4390 contain precious materials?

Item contains gold.

Does NSN 5310-01-199-4390 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 5310-01-199-4390 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Jan 22, 1985