SMB179031

View detailed technical data, stock status, and sourcing information for: SMB179031
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-890-0063

Item Name Code

01869

Assigment Date

01/01/1962 (64 years ago)

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

0.796 inches nominal outside diameter, 0.385 inches minimum and 0.395 inches maximum hole diameter, steel comp 302 overall material, 2 external key quantity, 0.037 inches minimum and 0.047 inches maximum 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: 0.385 inches minimum and 0.395 inches maximum
Outside Diameter: 0.796 inches nominal
External Key Quantity: 2
Material Thickness: 0.037 inches minimum and 0.047 inches maximum
Material: steel comp 302 overall
Material Document And Classification: mil-s-5059 mil spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 finish e300 mil spec single treatment response overall

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
179031	Key Washer
A08-1	Key Washer
SMB179031	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-890-0063?

The FSCG of the NSN 5310-00-890-0063 is 5310

Does the NSN 5310-00-890-0063 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-890-0063 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 5310-00-890-0063 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-890-0063 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 5310-00-890-0063 was assigned to the Federal Catalog?

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