5310-01-198-7990

Find complete technical information, availability, and procurement data for: 5310-01-198-7990
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-198-7990

Item Name Code

05280

Assigment Date

01/14/1985 (41 years ago)

3b thread class, prevailing torque all metal design locking feature, dry film lubricant lubrication, right-hand thread direction, 0.300 inches minimum nut counterbore 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: 0.300 inches minimum nut
Lubrication: dry film lubricant
Overall Height: 0.760 inches maximum
Mounting Hole Diameter: 0.130 inches minimum and 0.135 inches maximum
Nut Style: plate
Nut Length: 1.301 inches maximum
Nut Height: 0.415 inches maximum
Plate Thickness: 0.035 inches maximum
Plate Width: 0.640 inches maximum
Nut Counterbore Depth: 0.188 inches minimum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.998 inches minimum and 1.002 inches maximum
Temp Rating: 225.0 fahrenheit nominal
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 nut
Material: iron alloy 660 shell
Material: iron alloy 660 washer
Material: rubber butadiene-acrylonitrile class nbr seal
Material Document And Classification: ams 5525 assn std single material response or ams 5731 assn std single material response nut
Material Document And Classification: ams 5525 assn std single material response or ams 5731 assn std single material response shell
Material Document And Classification: ams 5525 assn std single material response or ams 5731 assn std single material response washer
Material Document And Classification: mil-r-6855,cl1,gr 60 mil spec single material response seal
Surface Treatment: passivate shell
Surface Treatment: passivate washer

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
NS202656S-4-3E	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-198-7990?

The FSCG of the NSN 5310-01-198-7990 is 5310

Does the NSN 5310-01-198-7990 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-198-7990 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 5310-01-198-7990 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-198-7990 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 5310-01-198-7990 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Jan 14, 1985