5310-01-285-2043

Find complete technical information, availability, and procurement data for: 5310-01-285-2043
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-285-2043

Item Name Code

05280

Assigment Date

09/08/1988 (37 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

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

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
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.651 inches maximum
Nut Height: 0.153 inches maximum
Plate Thickness: 0.016 inches minimum and 0.090 inches maximum
Plate Width: 0.275 inches minimum and 0.315 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.203 inches minimum and 0.208 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.406 inches minimum and 0.408 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjc
Features Provided: floating nut
Thread Quantity Per Inch: 40
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.112 inches
Special Features: w/o eyelets
Material: steel comp 1035 or steel comp 1050 or steel comp 4130 or steel comp 1040 or steel comp 1042 or steel comp 4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty2,cl2 fed spec single treatment response overall

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
MS21075-04N	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-285-2043?

The FSCG of the NSN 5310-01-285-2043 is 5310

Does the NSN 5310-01-285-2043 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-285-2043 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 5310-01-285-2043 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-285-2043 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 5310-01-285-2043 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Sep 8, 1988