59872-428

View detailed technical data, stock status, and sourcing information for: 59872-428
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-989-5078

Item Name Code

29729

Assigment Date

11/16/1966 (59 years ago)

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

prevailing torque all metal design locking feature, right-hand thread direction, 0.428 inches minimum and 0.448 inches maximum washer outside diameter, 0.401 inches minimum and 0.411 inches maximum overall height, 3bg 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: 3bg
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.428 inches minimum and 0.448 inches maximum
Overall Height: 0.401 inches minimum and 0.411 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.065 inches minimum and 0.075 inches maximum
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-941-0209	No Name Available	12/04/2013

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
490271	Extended Washer Self-Locking Nut
490272	Extended Washer Self-Locking Nut
59872-428	Extended Washer Self-Locking Nut
Z6630-048	Extended Washer Self-Locking Nut
Z6630-048K	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-989-5078?

The FSCG of the NSN 5310-00-989-5078 is 5310

Does the NSN 5310-00-989-5078 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-989-5078 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 5310-00-989-5078 contain precious materials?

Item contains silver.

Does NSN 5310-00-989-5078 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 5310-00-989-5078 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Nov 16, 1966