202420-3-2

View detailed technical data, stock status, and sourcing information for: 202420-3-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-195-5082

Item Name Code

05280

Assigment Date

11/30/1984 (41 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.220 inches minimum and 0.255 inches maximum base counterbore diameter, 3b thread class, prevailing torque all metal design locking feature, dry film lubricant lubrication, 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 all metal design
Counterbore Diameter: 0.220 inches minimum and 0.255 inches maximum base
Lubrication: dry film lubricant
Overall Height: 0.658 inches maximum
Mounting Hole Diameter: 0.098 inches minimum and 0.113 inches maximum
Nut Style: plate
Nut Length: 0.805 inches maximum
Nut Height: 0.317 inches maximum
Plate Thickness: 0.010 inches minimum and 0.030 inches maximum
Plate Width: 0.443 inches maximum
Nut Counterbore Depth: 0.125 inches minimum base
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.290 inches minimum and 0.300 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.588 inches minimum and 0.592 inches maximum
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 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 5737 assn std single material response nut
Material Document And Classification: ams 5525 assn std single material response or ams 5737 assn std single material response shell
Material Document And Classification: ams 5525 assn std single material response or ams 5737 assn std single material response washer
Material Document And Classification: mil-r-6855,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
202420-3-2	Plate Self-Locking Nut
3M936C3M2	Plate Self-Locking Nut
MF52680-3	Plate Self-Locking Nut
NS202420-3-2	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-195-5082?

The FSCG of the NSN 5310-01-195-5082 is 5310

Does the NSN 5310-01-195-5082 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-195-5082 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 5310-01-195-5082 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-195-5082 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 5310-01-195-5082 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Nov 30, 1984