X52U0820

View detailed technical data, stock status, and sourcing information for: X52U0820
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-497-3892

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

hexagon nut style, 0.594 inches nominal nut height, prevailing torque with nonmetallic insert 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 with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.594 inches nominal
Width Across Flats: 0.750 inches nominal
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Bearing Surface Type: washer faced
Material: steel overall
Surface Treatment: cadmium overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-262-6400	No Name Available	01/01/1963
5310-00-264-1923	No Name Available	01/01/1960
5310-00-331-2965	No Name Available	01/01/1963
5310-00-596-6903	No Name Available	01/01/1961
5310-00-638-6366	No Name Available	01/01/1963

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
1137-820	Hexagon Self-Locking Nut
265884PC60	Hexagon Self-Locking Nut
8175876	Hexagon Self-Locking Nut
9115595	Hexagon Self-Locking Nut
AN365-820A	Hexagon Self-Locking Nut
X52U0820	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-497-3892?

The FSCG of the NSN 5310-00-497-3892 is 5310

Does the NSN 5310-00-497-3892 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-497-3892 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 5310-00-497-3892 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-497-3892 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 5310-00-497-3892 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963