Top

Skip to main content

The U.S. National Archives Home

Blogs · Bookmark/Share · Contact Us

Search

Main menu

Research Our Records
Veterans' Service Records
Educator Resources
Visit Us
America's Founding Documents

The National Archives Catalog

Home > Research Our Records > Lifecycle Data Requirements Guide > Tape Thickness Authority List

Lifecycle Data Requirements Guide

Table of Contents
Alphabetical Index
Introduction
Abbreviations
Authority Sources
History of Changes
Mandatory Elements
Elements for Record Groups and Collections
Elements for Series, File Units, and Items
Elements for A/V Items
Elements for Archival Creators
Elements for Digital Objects
Elements for Microform Products
Contributions and Related Elements
Appendix: Reparative Description Preferred Terms

Research Online

National Archives Catalog
Reparative Description and Digitization at the National Archives

Tape Thickness Authority List

The Tape Thickness Authority List provides data values for the Tape Thickness element.

0.5 mil

1.0 mil

1.5 mil

This page was last reviewed on September 26, 2024.
Contact us with questions or comments.

Research Our Records

Online Research

By Topic
By Format
By Government Organization
National Archives Catalog
Presidential Records
Access to Archival Databases
Archives Library Information Center
Online Exhibits

Resources For…

Genealogists
Military Historians
Preservation and Archives Professionals
Records Managers
Veterans

Research Guides

Getting Started
National Archives Frequently Asked Questions
Guide to Federal Records
Declassified Records
Where to Look for Records
Why Aren't All Records Online?
How to File a FOIA Request for Archival Records

What's New?

News and Notices
New Accessions

Connect With Us

Facebook
X
Instagram
Tumblr
YouTube
Blogs
Flickr

Contact Us · Accessibility · Privacy Policy · Freedom of Information Act · No FEAR Act · USA.gov

The U.S. National Archives and Records Administration
1-86-NARA-NARA or 1-866-272-6272

Top