Federal Procurement Codes Reference
Defense parts procurement runs on a small set of cryptic codes. This reference covers the codes you’ll see on every DLA solicitation — AMSC and AMC describe how a part can be bought, CAGE identifies who can sell it, and the Source Approval Request (SAR) process explains how new suppliers qualify to bid on restricted parts.
Acquisition Method Suffix Codes
AMSC Codes
The 26-letter alpha code system that describes data rights, competition, and manufacturing restrictions on every DLA parts solicitation. Includes the full A–Z reference table with verified definitions from 48 CFR Ch. 2 App. E.
Commercial and Government Entity
CAGE Codes
The 5-character contractor identifier assigned by DLA and used across all federal procurement systems. Covers what CAGE is, how to look one up, NCAGE for international entities, and how CAGE relates to UEI.
SAR & Alternate Offer process
Source Approval Request
The DLA process for becoming an approved source on AMSC B, C, or D parts. Covers SAR vs Alternate Offer, the four package categories, and the typical 90–180 day review timeline.
Related references
Procurement codes work alongside the broader federal contracting framework. Browse related references:
- Government Contracting Glossary — plain-language definitions
- SBA Size Standards — small business eligibility by NAICS
- Set-Aside Programs — 8(a), HUBZone, SDVOSB, WOSB
- Federal Contracting Guides — SAM.gov, NAICS, getting started
Frequently asked questions
What is an AMSC code?
AMSC (Acquisition Method Suffix Code) is a single-letter code assigned by the Department of Defense that describes how a part can be acquired and what data, manufacturing, or competition restrictions apply. AMSC codes are paired with numeric AMC codes on every DLA spare-parts solicitation.
What is a CAGE code?
CAGE (Commercial and Government Entity) Code is a 5-character alphanumeric identifier assigned by the Defense Logistics Agency to entities that do business with the federal government. U.S. firms receive a CAGE code automatically when they register in SAM.gov.
What is a Source Approval Request?
A Source Approval Request (SAR) is a package submitted by a prospective new supplier to become an approved source for a National Stock Number (NSN). SARs are required for parts coded AMSC B, C, or D, where procurement is restricted to qualified manufacturers.
Where do these codes appear?
AMSC and AMC codes appear on DLA solicitations issued through the DLA Internet Bid Board System (DIBBs). CAGE codes appear on virtually every federal procurement document. SARs are submitted to the cognizant DLA contracting office.