78686-12

View detailed technical data, stock status, and sourcing information for: 78686-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-132-3398

Item Name Code

15895

Assigment Date

05/26/1982 (44 years ago)

An item having two flat bearing surfaces, conforming to the same shape as the base of a nut (1), plain, plate and nut (1), self-locking, plate. It is used to provide better alignment in assembly.

prevailing torque all metal design locking feature, right-hand thread direction, 0.071 inches minimum and 0.073 inches maximum drive point depth, 3b thread class, 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
Lubrication: dry film lubricant
Drive Point Depth: 0.071 inches minimum and 0.073 inches maximum
Nut Diameter: 1.296 inches maximum
Nut Thickness: 0.750 inches maximum
Drive Point Width: 0.043 inches minimum and 0.050 inches maximum
Drive Point Quantity: 12
Thread Series: unjf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 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
Surface Treatment: copper and nickel threads

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
10109639	Round Self-Locking Nut
78686-12	Round Self-Locking Nut
BH752-12	Round Self-Locking Nut
H50609-12	Round Self-Locking Nut
LH12038-12	Round Self-Locking Nut
SLN187-12	Round Self-Locking Nut
ST3M752-12	Round Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-132-3398?

The FSCG of the NSN 5310-01-132-3398 is 5310

Does the NSN 5310-01-132-3398 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-132-3398 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 5310-01-132-3398 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-132-3398 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 5310-01-132-3398 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, May 26, 1982