MF50662-4-3

View detailed technical data, stock status, and sourcing information for: MF50662-4-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-165-3900

Item Name Code

05280

Assigment Date

10/28/1983 (42 years ago)

0.098 inches minimum and 0.103 inches maximum mounting hole diameter, 0.254 inches minimum nut counterbore diameter, prevailing torque all metal design locking feature, right-hand thread direction, 3b thread class

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
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.791 inches maximum
Nut Height: 0.377 inches maximum
Plate Thickness: 0.050 inches maximum
Plate Width: 0.500 inches maximum
Nut Counterbore Depth: 0.187 inches minimum and 0.202 inches maximum 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
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5731 assn std single material response overall
Precious Material And Location: threads silver
Precious Material: silver
Surface Treatment: passivate base
Surface Treatment: passivate shell
Surface Treatment: silver threads
Surface Treatment Document And Classification: ams 2410 assn std single treatment response threads

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
F12342-3-4	Plate Self-Locking Nut
LE114-0001-4003	Plate Self-Locking Nut
MF50662-4-3	Plate Self-Locking Nut
NS103620-048-3E	Plate Self-Locking Nut
RFM23-4003	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-165-3900?

The FSCG of the NSN 5310-01-165-3900 is 5310

Does the NSN 5310-01-165-3900 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-165-3900 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 5310-01-165-3900 contain precious materials?

Item contains silver.

Does NSN 5310-01-165-3900 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 5310-01-165-3900 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Oct 28, 1983