SMB186915

View detailed technical data, stock status, and sourcing information for: SMB186915
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-521-8552

Item Name Code

01869

Assigment Date

01/01/1963 (63 years ago)

0.797 inches minimum and 0.828 inches maximum outside diameter, 2 internal key quantity, 0.630 inches minimum and 0.634 inches maximum hole diameter, 0.136 inches nominal distance from centerline to top of internal key, 0.088 inches minimum and 0.091 inches maximum internal straight key width

Product Characteristics

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

Hole Diameter: 0.630 inches minimum and 0.634 inches maximum
Outside Diameter: 0.797 inches minimum and 0.828 inches maximum
Internal Straight Key Width: 0.088 inches minimum and 0.091 inches maximum
Distance From Centerline To Top Of Internal Key: 0.136 inches nominal
Internal Key Quantity: 2
Material Thickness: 0.037 inches minimum and 0.047 inches maximum
Material: steel comp 1008 or steel comp 1009 or steel comp 1015 or steel comp 1018 or steel comp 1020 overall
Material Document And Classification: qq-s-698 fed spec single material response overall
Surface Treatment: phosphate overall
Style Designator: key

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
54566	Key Washer
SMB186915	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-521-8552?

The FSCG of the NSN 5310-00-521-8552 is 5310

Does the NSN 5310-00-521-8552 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-521-8552 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 5310-00-521-8552 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-521-8552 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 5310-00-521-8552 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963