68457-918

View detailed technical data, stock status, and sourcing information for: 68457-918
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-454-1256

Item Name Code

29729

Assigment Date

04/18/1969 (57 years ago)

prevailing torque all metal design locking feature, right-hand thread direction, soluble lubricant lubrication, 0.968 inches maximum washer outside diameter, 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: 0.968 inches maximum
Lubrication: soluble lubricant
Overall Height: 0.633 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.175 inches nominal
Width Across Flats: 0.675 inches minimum and 0.691 inches maximum
Temp Rating: -65.0 fahrenheit minimum and 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 18
Hardness Rating: 30.0 rockwell c minimum and 46.0 rockwell c maximum
Nominal Thread Size: 0.562 inches
Material: steel comp 3140 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-332-3252	No Name Available	10/01/1992

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
68457-918	Extended Washer Self-Locking Nut
H29649-9	Extended Washer Self-Locking Nut
STSCD007-18	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-454-1256?

The FSCG of the NSN 5310-00-454-1256 is 5310

Does the NSN 5310-00-454-1256 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-454-1256 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 5310-00-454-1256 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-454-1256 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 5310-00-454-1256 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Apr 18, 1969