4085-65998-005

View detailed technical data, stock status, and sourcing information for: 4085-65998-005
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-286-5400

Item Name Code

29730

Assigment Date

10/04/1988 (37 years ago)

0.420 inches maximum washer outside diameter, dry film lubricant lubrication, prevailing torque all metal design locking feature, 3b thread class, 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.420 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.219 inches maximum
Nut Style: hexagon
Washer Thickness: 0.023 inches minimum
Width Across Flats: 0.305 inches minimum and 0.313 inches maximum
Temp Rating: -320.0 fahrenheit minimum and 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams 4967 assn std single material 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
4085-65998-005	Extended Washer Self-Locking Nut
82622-428	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-286-5400?

The FSCG of the NSN 5310-01-286-5400 is 5310

Does the NSN 5310-01-286-5400 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5310-01-286-5400 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 5310-01-286-5400 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-286-5400 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 5310-01-286-5400 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Oct 4, 1988