5310-00-840-7993

Find complete technical information, availability, and procurement data for: 5310-00-840-7993
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-840-7993

Item Name Code

05280

Assigment Date

09/25/1974 (51 years ago)

prevailing torque all metal design locking feature, 3b thread class, right-hand thread direction, 0.254 inches minimum nut counterbore diameter, 0.098 inches minimum and 0.103 inches maximum mounting hole diameter

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
Counterbore Diameter: 0.254 inches minimum nut
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.852 inches maximum
Nut Height: 0.281 inches maximum
Plate Thickness: 0.055 inches maximum
Nut Counterbore Depth: 0.062 inches minimum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.200 inches nominal
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel corrosion resisting overall
Specification/Standard Data: 80205-nas684 professional/industrial association standard

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
NAS684C4	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-840-7993?

The FSCG of the NSN 5310-00-840-7993 is 5310

Does the NSN 5310-00-840-7993 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-840-7993 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 5310-00-840-7993 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-840-7993 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 5310-00-840-7993 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Sep 25, 1974