BFN720C4M2

View detailed technical data, stock status, and sourcing information for: BFN720C4M2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-024-9753

Item Name Code

05280

Assigment Date

07/23/1976 (50 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.

0.098 inches minimum and 0.103 inches maximum mounting hole diameter, dry film lubricant lubrication, 3b thread class, right-hand thread direction, prevailing torque all metal design locking feature

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
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 1.036 inches maximum
Nut Height: 0.344 inches maximum
Plate Thickness: 0.015 inches minimum and 0.035 inches maximum
Plate Width: 0.531 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.310 inches minimum and 0.314 inches maximum
Thread Series: unf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Special Features: color yellow
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response overall
Specification/Standard Data: 76301-st3-720 manufacturers standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-279-9255	No Name Available	06/01/1997

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
10121992	Plate Self-Locking Nut
BFN720C4M2	Plate Self-Locking Nut
F12089-2-4	Plate Self-Locking Nut
F50340-4-2	Plate Self-Locking Nut
NS202184-048-2	Plate Self-Locking Nut
ST3M720C4M2	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-024-9753?

The FSCG of the NSN 5310-01-024-9753 is 5310

Does the NSN 5310-01-024-9753 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-024-9753 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 5310-01-024-9753 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-024-9753 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 5310-01-024-9753 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, Jul 23, 1976