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Home/Glossary/AP20
Code

AP20

R&D - Income Security (Applied)

Also known as

RandD - Income Security (Applied)R&D Income Security (Applied)R&D - Income Security AppliedR D Income Security AppliedRDIncomeSecurityAppliedR&D - Income SecurityApplied

Definition

R&D - Income Security (Applied). PSC category: Research and Development.

Meaning in practice

AP20 is a compact identifier that maps to a more exact classification or record family.

Where you’ll see it

You will see it in classification systems, data dictionaries, forms, and metadata. Example: AP20 — Research and Development.

Common confusion

People often confuse the code with the thing it describes.

What to do next

Use the code to reach the exact page, form, or record you need.

Why does AP20 matter?

(R&D - Income Security (Applied)) is a code concept federal contractors and grant writers run into across solicitations, regulations, and award filings

Source: PSC code registry·Last updated 2026-07-02 by Bureauify·Category: Code·Graph: S-tier (100/100)

Related terms

NAICS — North American Industry Classification System
bg-blue-500/20 text-blue-300 border-blue-500/30
PSC — Product Service Code
bg-blue-500/20 text-blue-300 border-blue-500/30
FSC 15 — Aircraft and Airframe Structural Components
bg-fuchsia-500/20 text-fuchsia-300 border-fuchsia-500/30
FSC 17 — Aircraft Launching, Landing, and Ground Handling Equipment
bg-fuchsia-500/20 text-fuchsia-300 border-fuchsia-500/30
FSC 23 — Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles
bg-fuchsia-500/20 text-fuchsia-300 border-fuchsia-500/30
FSC 25 — Vehicular Equipment Components
bg-fuchsia-500/20 text-fuchsia-300 border-fuchsia-500/30
FSC 26 — Tires and Tubes
bg-fuchsia-500/20 text-fuchsia-300 border-fuchsia-500/30
FSC 28 — Engines, Turbines, and Components
bg-fuchsia-500/20 text-fuchsia-300 border-fuchsia-500/30

Related entities

NAICS code index
Index
PSC code index
Index

Related questions

No related questions are available yet.

Related records

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Source trail

AP20 page
Canonical glossary term page last reviewed 2026-07-02.
Glossary
PSC code registry
Official source trail.
Source

Where this matters in federal contracting

AP20 is a code-term in Bureauify. For example: AP20 — Research and Development Codes are compact identifiers, but they carry a lot of meaning: the right code links a user to the right industry, occupation, product/service, or compliance category. Bureauify treats code terms as first-class orientation objects because they are often the shortest path from confusion to the exact page or record the user needs. The related terms above help the user move from the code to its broader vocabulary family.

What can I do?

FollowSave

Route: Orientation path

  1. 1.Discover — you are here
  2. 2.Decide — follow to monitor
  3. 3.Act — follow to monitor
No live signal yet — actions derived from family registry.

Follow AP20

Get notified when usage of AP20 changes in contracts or guidance.

Follow AP20 →Search AP20 in records

Example

AP20 — Research and Development

More code terms

FSC 15FSC 17FSC 23FSC 25FSC 26FSC 28FSC 34FSC 35FSC 36FSC 38FSC 39FSC 41

Frequently Asked Questions

What is AP20 in government contracting?▾
R&D - Income Security (Applied). PSC category: Research and Development.
Can you give an example of AP20?▾
Yes. AP20 — Research and Development
Why is AP20 important for government contractors?▾
R&D - Income Security (Applied) is a code term. Codes are compact identifiers that connect users to a more exact industry, occupation, product, or compliance category.
Where will I see AP20?▾
You will see it in classification systems, data dictionaries, forms, and metadata. Example: AP20 — Research and Development.
What is AP20 commonly confused with?▾
People often confuse the code with the thing it describes.
What should I do next when I see AP20?▾
Use the code to reach the exact page, form, or record you need.

Find AP20-related opportunities

Search active federal contracts and solicitations related to AP20 on Bureauify.

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