748900-4

View detailed technical data, stock status, and sourcing information for: 748900-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-447-8612

Item Name Code

13393

Assigment Date

05/26/1974 (52 years ago)

0.348 inches minimum and 0.350 inches maximum hole diameter, round center hole shape style, 0.487 inches minimum and 0.491 inches maximum width, rectangular cross-sectional shape style, dee 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: 0.348 inches minimum and 0.350 inches maximum
Width: 0.487 inches minimum and 0.491 inches maximum
Peripheral Shape Style: dee
Center Hole Shape Style: round
Thickness: 0.016 inches minimum and 0.017 inches maximum
Overall Diameter: 0.550 inches nominal
Special Features: 0.980 in. min,1.010 in. max,distance from point on centerline to radius on flatted surface
Material: steel comp 301 overall
Material Document And Classification: ams 5519 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-467-0257	No Name Available	03/01/1998

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
748900-4	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-447-8612?

The FSCG of the NSN 5310-00-447-8612 is 5310

Does the NSN 5310-00-447-8612 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-447-8612 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 5310-00-447-8612 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-447-8612 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 5310-00-447-8612 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, May 26, 1974