7986558

View detailed technical data, stock status, and sourcing information for: 7986558
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-947-7249

Item Name Code

13393

Assigment Date

04/08/1966 (60 years ago)

A headless item of various shapes, usually cylindrical, having either circular or longitudinal groove(s). Its length must not exceed 12 inches (304 mm). Excludes:rod, grooved, headless; shaft (as modified); and pin, vehicular leaf spring shackle.

0.058 inches minimum and 0.062 inches maximum thickness, 0.192 inches nominal hole diameter, round peripheral shape style, rectangular cross-sectional shape style, round center hole 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: 0.192 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.058 inches minimum and 0.062 inches maximum
Overall Diameter: 0.496 inches minimum and 0.498 inches maximum
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Criticality Code Justification: feat
Surface Finish: 63.0 microinches counterbore wall
Surface Finish: 63.0 microinches bottom
Surface Finish: 63.0 microinches top
Special Features: od chamfered on both sides,0.015 in. by 45 deg
Heat Treatment: quenched and tempered
Material: steel comp 4340 overall
Material Document And Classification: ams 6415 assn std single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-565-4908	No Name Available	07/01/1992

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
7986558	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-947-7249?

The FSCG of the NSN 5310-00-947-7249 is 5310

Does the NSN 5310-00-947-7249 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-947-7249 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 5310-00-947-7249 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-947-7249 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 5310-00-947-7249 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Apr 8, 1966