NS202656S-3-4

View detailed technical data, stock status, and sourcing information for: NS202656S-3-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-195-5651

Item Name Code

05280

Assigment Date

11/30/1984 (41 years ago)

An enclosure of other than cast metal designed to house, mount, and protect, but does not include wiring connections or electrical device(s) such as terminals and/or terminal boards, switches, jacks, fuseholders, connectors, circuit breakers and the like. It is designed for and may include a cover and such accessories as mounting hardware, brackets, locks, clamps, mounts and conduit fittings. Excludes:conduit outlet; and chamber, cable terminal. For boxes which include electrical device(s) such as terminals and/or terminal boards, switches, fuseholders, jacks, connectors, circuit breakers and the like, or combinations thereof, see switch box; fuze box; jack box; terminal box; circuit breaker box; and distribution box. For boxes wired to provide the interconnecting facilities for a specific major group of electronic items outside of the box, see interconnecting box. See also interconnecting cabinet. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

right-hand thread direction, prevailing torque all metal design locking feature, 3b thread class, 0.300 inches minimum nut counterbore diameter, dry film lubricant lubrication

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: 0.640 inches maximum
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.995 inches maximum
Nut Height: 0.445 inches maximum
Plate Thickness: 0.035 inches maximum
Plate Width: 0.552 inches maximum
Nut Counterbore Depth: 0.375 inches minimum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.339 inches minimum and 0.349 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.686 inches minimum and 0.690 inches maximum
Temp Rating: 225.0 fahrenheit nominal
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 28
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 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,cl 1,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-3-4	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-195-5651?

The FSCG of the NSN 5310-01-195-5651 is 5310

Does the NSN 5310-01-195-5651 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-195-5651 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 5310-01-195-5651 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-195-5651 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 5310-01-195-5651 was assigned to the Federal Catalog?

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