4024591

View detailed technical data, stock status, and sourcing information for: 4024591
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-509-8621

Item Name Code

05280

Assigment Date

07/07/2003 (23 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

plate nut style, 3b thread class, right-hand thread direction, 0.194 inches minimum first end counterbore diameter, 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
Counterbore Diameter: 0.194 inches minimum first end
Nut Style: plate
Nut Length: 0.903 inches maximum
Nut Height: 0.202 inches maximum
Plate Thickness: 0.036 inches maximum
Plate Width: 0.328 inches maximum
Nut Counterbore Depth: 0.062 inches minimum first end
End Item Identification: f100 engines
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Criticality Code Justification: feat
Special Features: "the item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap). this self-locking nut plate for the 220 & ss0 engine is made of (ams 5525, 5736 or 5739, sst alloy, 0.940 inch long by 0.215" tall w/two rivet holes & central threaded hole. failure of this nut could cause liberation of the aft end nozzle segment but would not cause an engine shut down or catastrophic failure. it would also cause maintenance to remove and replace broken nut and/or nozzle segment"
Material: iron alloy 660 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
4024591	Plate Self-Locking Nut
4024592	Plate Self-Locking Nut
4024593	Plate Self-Locking Nut
4046362	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-509-8621?

The FSCG of the NSN 5310-01-509-8621 is 5310

Does the NSN 5310-01-509-8621 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-509-8621 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 5310-01-509-8621 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-509-8621 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 5310-01-509-8621 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Mon, Jul 7, 2003