PSC B539: SPECIAL STUDIES/ANALYSIS- AERONAUTICAL/SPACE — Federal Procurement Code

B5 - SPECIAL STUDIES - NOT R and D L1: Professional Services

Description

Aeronautic/Space Studies

Suggested adjacent classifications

PSC codes describe what the government buys. These related classifications help connect procurement codes to industries, commodities, and trade workflows.

Related NAICS industries

336414

Guided Missile and Space Vehicle Manufacturing

336415

Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing

336419

Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

927

Space Research and Technology

Related UNSPSC categories

40101819

Space heaters

39112201

Atmospheric effect apparatus

Official data

Feature	Description
Official name	Product Service Codes (PSC)
Maintained by	U.S. federal acquisition community / GSA PSC Manual
Purpose	Classifies what the government buys: products and services
Primary use	Federal procurement reporting, contract categorization, spend analysis
Code type	Mixed/unspecified

When do you need PSC B539?

1 Use PSC B539 when identifying the product or service category on a U.S. federal contract.

2 Use it when filtering opportunities or spending data in SAM.gov, FPDS, or USASpending.

3 Use it when comparing a procurement category against related NAICS industries or UNSPSC commodities.

4 Use it when a contracting workflow needs the purchased item classification rather than the supplier industry code.