558405

View detailed technical data, stock status, and sourcing information for: 558405
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-985-3423

Item Name Code

13393

Assigment Date

01/01/1962 (64 years ago)

A headed, cylindrically-shaped item having a solid shank for fitting into corresponding holes, used for aligning or fastening. It may have welding projections. It also may contain holes drilled perpendicular to axial centerline. Excludes:pin, eccentric.

round center hole shape style, rectangular cross-sectional shape style, 0.180 inches minimum and 0.200 inches maximum hole diameter, 0.050 inches minimum and 0.070 inches maximum thickness, rectangular peripheral shape style

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.180 inches minimum and 0.200 inches maximum
Peripheral Shape Style: rectangular
Center Hole Shape Style: round
Thickness: 0.050 inches minimum and 0.070 inches maximum
Length: 1.180 inches minimum and 1.200 inches maximum
Width Across Flats: 0.350 inches minimum and 0.370 inches maximum
Hardness Rating: 49.5 rockwell superficial 30-t minimum
Material: aluminum alloy 6061 overall
Material Document And Classification: qq-a-250/11 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625 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
558405	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-985-3423?

The FSCG of the NSN 5310-00-985-3423 is 5310

Does the NSN 5310-00-985-3423 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-985-3423 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 5310-00-985-3423 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-985-3423 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 5310-00-985-3423 was assigned to the Federal Catalog?

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