PSC 3635: CRYSTAL AND GLASS INDUSTRIES MACHINERY — Federal Procurement Code

36 - SPECIAL INDUSTRY MACHINERY L1: Industrial Products & Services

Description

Crystal and Glass Industries Machinery

Includes

Optical Goods Manufacturing Machinery.

Excludes

Ophthalmic Lens Cutting, Drilling, Edging, and Grinding Machines; Specialized Semiconductor, Microcircuit, and Printed Circuit Board Manufacturing Machinery.

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

333

Machinery Manufacturing

3331

Agriculture, Construction, and Mining Machinery Manufacturing

333111

Farm Machinery and Equipment Manufacturing

33312

Construction Machinery Manufacturing

Related UNSPSC categories

Grinding or polishing machines

23151606

Cement or ceramic or glass or similar material molding machines

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 3635?

1 Use PSC 3635 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.