5310-01-337-6669

Find complete technical information, availability, and procurement data for: 5310-01-337-6669
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-337-6669

Item Name Code

29730

Assigment Date

04/19/1991 (35 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.

0.198 inches minimum and 0.202 inches maximum washer counterbore diameter, prevailing torque all metal design locking feature, 0.290 inches maximum washer outside diameter, right-hand thread direction, 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
Washer Outside Diameter: 0.290 inches maximum
Counterbore Diameter: 0.198 inches minimum and 0.202 inches maximum washer
Lubrication: dry film lubricant
Overall Height: 0.270 inches maximum
Nut Style: hexagon
Nut Counterbore Depth: 0.102 inches minimum and 0.112 inches maximum washer
Width Across Flats: 0.212 inches minimum and 0.220 inches maximum
Thread Series: unjc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.164 inches
Material: steel comp 304 or steel comp 305 overall
Material Document And Classification: ams 5697 assn std 1st material response or ams 5686 assn std 2nd material response overall
Surface Treatment: passivate 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
KFN305DL08	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-337-6669?

The FSCG of the NSN 5310-01-337-6669 is 5310

Does the NSN 5310-01-337-6669 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-337-6669 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 5310-01-337-6669 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-337-6669 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 5310-01-337-6669 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Apr 19, 1991