5310-00-840-6220

Find complete technical information, availability, and procurement data for: 5310-00-840-6220
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-840-6220

Item Name Code

05277

Assigment Date

12/28/1966 (59 years ago)

prevailing torque all metal design locking feature, right-hand thread direction, hexagon nut style, dry film lubricant lubrication, 2b 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: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Lubrication: dry film lubricant
Nut Style: hexagon
Nut Height: 0.226 inches maximum
Width Across Flats: 0.428 inches minimum and 0.438 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-057-3122	No Name Available	07/01/1968

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
53108406220	Hexagon Self-Locking Nut
8712289-1	Hexagon Self-Locking Nut
NAS1409A4	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-840-6220?

The FSCG of the NSN 5310-00-840-6220 is 5310

Does the NSN 5310-00-840-6220 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-840-6220 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 5310-00-840-6220 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-840-6220 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 5310-00-840-6220 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Dec 28, 1966