MK3400-4B

View detailed technical data, stock status, and sourcing information for: MK3400-4B
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part MK3400-4B to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-047-1019

Item Name Code

05280

Assigment Date

09/01/1977 (48 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, 0.254 inches minimum nut counterbore diameter, 3b thread class, 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: 0.603 inches maximum
Nut Height: 0.281 inches maximum
Plate Thickness: 0.040 inches nominal
Nut Counterbore Depth: 0.062 inches minimum nut
Nut Mounting Provision: straight 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 Width: 0.506 inches minimum and 0.510 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Special Features: color identification pink

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
MK3400-4B	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-047-1019?

The FSCG of the NSN 5310-01-047-1019 is 5310

Does the NSN 5310-01-047-1019 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-047-1019 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 5310-01-047-1019 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-047-1019 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 5310-01-047-1019 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Sep 1, 1977