91202A230

View detailed technical data, stock status, and sourcing information for: 91202A230
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-559-5875

Item Name Code

14218

Assigment Date

12/21/2007 (18 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

2355-01-542-7908 interim vehicle min; mrap buffalo mk2a2; 4210-01-622-0440; 2320-01-652-5218 joint light tactical vehicle (jltv) end item identification, 9.2 millimeters nominal outside diameter, 1.1 millimeters minimum material thickness, 44.0 rockwell c minimum hardness rating, 5.4 millimeters nominal hole diameter

Product Characteristics

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

Hole Diameter: 5.4 millimeters nominal
Outside Diameter: 9.2 millimeters nominal
Material Thickness: 1.1 millimeters minimum
End Item Identification: 2355-01-542-7908 interim vehicle min; mrap buffalo mk2a2; 4210-01-622-0440; 2320-01-652-5218 joint light tactical vehicle (jltv)
Hardness Rating: 44.0 rockwell c minimum
Part Name Assigned By Controlling Agency: split lock washer
Special Features: for m5 screw size
Material: steel overall
Surface Treatment: zinc 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-01-661-2285	No Name Available	12/01/2017
5310-01-670-5144	No Name Available	04/03/2023

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
4288186002	Lock Washer
91202A230	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-559-5875?

The FSCG of the NSN 5310-01-559-5875 is 5310

Does the NSN 5310-01-559-5875 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5310-01-559-5875 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 5310-01-559-5875 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-559-5875 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 5310-01-559-5875 was assigned to the Federal Catalog?

It was assigned 18 years ago, on Fri, Dec 21, 2007