5310-00-031-1128

Find complete technical information, availability, and procurement data for: 5310-00-031-1128
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-031-1128

Item Name Code

05280

Assigment Date

10/26/1972 (53 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

prevailing torque all metal design locking feature, right-hand thread direction, 3b thread class, 0.254 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: 0.254 inches minimum nut
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.786 inches maximum
Nut Height: 0.281 inches maximum
Plate Thickness: 0.040 inches nominal
Plate Width: 0.414 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: 0.276 inches minimum and 0.286 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.560 inches minimum and 0.564 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 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
MK1300-4	Plate Self-Locking Nut
MK1400-4	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-031-1128?

The FSCG of the NSN 5310-00-031-1128 is 5310

Does the NSN 5310-00-031-1128 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-031-1128 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 5310-00-031-1128 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-031-1128 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 5310-00-031-1128 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Thu, Oct 26, 1972