5305-01-589-4890

Find complete technical information, availability, and procurement data for: 5305-01-589-4890
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-589-4890

Item Name Code

06657

Assigment Date

10/27/2010 (15 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.

2a thread class, 0.438 inches nominal thread length, right-hand thread direction, pan head style, 0.438 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.438 inches nominal
Fastener Length: 0.438 inches nominal
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: 2520-01-465-4317 transmission, hydraulic, vehicular
Nominal Thread Diameter: 0.110 inches
Thread Quantity Per Inch: 48
Part Name Assigned By Controlling Agency: screw, machine, pan head, cross recessed
Screw Material: steel
Bearing Surface Of Head Surface Treatment: zinc
Head Surface Treatment: zinc
Screw Surface Treatment: zinc
Thread Series Designator: unf

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
MS35207-216Z	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-589-4890?

The FSCG of the NSN 5305-01-589-4890 is 5305

Does the NSN 5305-01-589-4890 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-589-4890 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 5305-01-589-4890 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-589-4890 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 5305-01-589-4890 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Wed, Oct 27, 2010