Special Item Number(SIN)
A categorization code used within GSA Schedules and similar vehicles to classify specific products or services under a broader contract category.
Overview
A Special Item Number (SIN) is a subcategory within GSA's Multiple Award Schedule and similar contract vehicles that specifies the particular products or services a vendor offers. Each large category (e.g., IT Products) contains multiple SINs for more precise classification. SINs help ordering officers find the right vendors and help contractors define their scope.
Why It Matters in GovCon
SINs determine what you can sell under your GSA Schedule and what orders you are eligible to compete for. Adding or modifying SINs requires a contract modification. Understanding which SINs align with your capabilities and target customers ensures your schedule is properly positioned. SINs also appear in procurement data for market analysis.
Key Details
- GSA MAS: The MAS has hundreds of SINs across large categories like IT, professional services, and products.
- Scope: Orders must fall within the scope of your awarded SINs.
- Modification: Adding SINs requires negotiation with GSA and a contract mod.
- Pricing: Each SIN may have different pricing structures and labor categories.
- Ordering: Agencies search and filter by SIN when placing orders.
How GovCon Data Can Help
GovCon Data lets you search opportunities by SIN and GSA Schedule category, helping you identify relevant task orders and track which SINs are seeing the most activity.
Related Terms
- GSA Schedule
- Multiple Award Schedule (MAS)
- Product Service Code (PSC)
- Blanket Purchase Agreement (BPA)
More Contracts Terms
A simplified method of filling anticipated repetitive needs for supplies or services by establishing charge accounts with qualified vendors.
A numbered item in a contract that identifies a specific deliverable, service, or unit of work along with its quantity and price.
A contract type where the government reimburses the contractor for allowable costs plus a predetermined fixed fee representing profit.
An order placed against an existing contract for the delivery of supplies or materials.
A contract type where the price is set at award and does not change regardless of the contractor's actual costs, placing maximum risk on the contractor.
Long-term government-wide contracts with commercial firms that provide federal agencies access to products and services at pre-negotiated prices.
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