78686-6

View detailed technical data, stock status, and sourcing information for: 78686-6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-128-6855

Item Name Code

36744

Assigment Date

03/26/1982 (44 years ago)

3b thread class, 0.669 inches maximum washer outside diameter, right-hand thread direction, prevailing torque all metal design locking feature, dry film lubricant lubrication

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: 0.669 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.375 inches maximum
Nut Style: spline drive
Drive Point Quantity: 12
Washer Thickness: 0.060 inches minimum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Material: nickel alloy 718 overall
Material Document And Classification: ams 5662 assn std single material response or ams 5663 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
10109505	Extended Washer Self-Locking Nut
78686-6	Extended Washer Self-Locking Nut
BH752-6	Extended Washer Self-Locking Nut
H50609-6	Extended Washer Self-Locking Nut
LH12038-6	Extended Washer Self-Locking Nut
SLN187-6	Extended Washer Self-Locking Nut
ST3M752-6	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-128-6855?

The FSCG of the NSN 5310-01-128-6855 is 5310

Does the NSN 5310-01-128-6855 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-128-6855 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 5310-01-128-6855 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-128-6855 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 5310-01-128-6855 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Mar 26, 1982