4M73-1

View detailed technical data, stock status, and sourcing information for: 4M73-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-845-1959

Item Name Code

14218

Assigment Date

01/01/1962 (64 years ago)

0.240 inches minimum and 0.260 inches maximum outside diameter, 0.022 inches minimum and 0.042 inches maximum material thickness, aluminum alloy 5052 overall material, 0.089 inches minimum and 0.109 inches maximum hole diameter, split helical-right hand style designator

Product Characteristics

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

Hole Diameter: 0.089 inches minimum and 0.109 inches maximum
Outside Diameter: 0.240 inches minimum and 0.260 inches maximum
Material Thickness: 0.022 inches minimum and 0.042 inches maximum
Material: aluminum alloy 5052 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-591-7395	No Name Available	09/01/1987
5310-00-701-6066	No Name Available	12/01/1978
5310-01-023-3818	No Name Available	06/01/2006

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
1001575	Lock Washer
10015750	Lock Washer
4M73-1	Lock Washer
BACW10B3	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-845-1959?

The FSCG of the NSN 5310-00-845-1959 is 5310

Does the NSN 5310-00-845-1959 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-845-1959 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 5310-00-845-1959 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-845-1959 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 5310-00-845-1959 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962