5310-01-257-3250

Find complete technical information, availability, and procurement data for: 5310-01-257-3250
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-257-3250

Item Name Code

14218

Assigment Date

06/17/1987 (39 years ago)

2.1 millimeters nominal hole diameter, 4.4 millimeters nominal outside diameter, 5865-01-188-3309 end item identification, steel corrosion resisting overall material, 0.5 millimeters nominal material thickness

Product Characteristics

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

Hole Diameter: 2.1 millimeters nominal
Outside Diameter: 4.4 millimeters nominal
Material Thickness: 0.5 millimeters nominal
End Item Identification: 5865-01-188-3309
Material: steel corrosion resisting overall
Surface Treatment: zinc and chromate overall
Style Designator: split helical-right hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-193-2321	No Name Available	01/01/1991

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
128BSTM2	Lock Washer
34000455-2002	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-257-3250?

The FSCG of the NSN 5310-01-257-3250 is 5310

Does the NSN 5310-01-257-3250 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-257-3250 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 5310-01-257-3250 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-257-3250 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 5310-01-257-3250 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jun 17, 1987