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GSA7 min readUpdated June 7, 2026

SIN 333318TDTM: Off-the-Shelf Training Devices and Training Materials Guide for GSA MAS

A Refresh 32 guide to GSA MAS SIN 333318TDTM, Off-the-Shelf Training Devices and Training Materials, including category fit, NAICS/PSC context, max order, TDR/OLM status, and offer preparation notes.

Built for
Contractors mapping offerings, pricing support, catalog files, labor categories, or Add SIN modifications to official GSA MAS scope
By the end
Understand where SIN 333318TDTM fits and what evidence to prepare before using it in an offer or modification.
Field guide

When SIN 333318TDTM fits

Scope fit
A close-looking SIN can still be wrong if the subcategory, PSC, NAICS, or deliverable story points elsewhere.
Signal
333318TDTM Off-the-Shelf Training Devices: Proposed training devices shall be commercially-available off-the-shelf training devices to include software programs, teaching machines and devices, simulators such as driving simulators, flight simulators, etc., prepared printed instructional material, medical models and simulators, prepared audio and visual instruction material and multimedia program kits. Customizable Training Devices: Proposed customized training devices and simulators shall be in addition to the or the result of planning, designing, and/or producing customized training products that include but are not limited to print, audio/visual, audio, digital formats and emerging technologies. Proposed training devices, print materials, audio-visual and multimedia formats, electronic media, etc., shall directly train students in a specific subject matter(s) or assist in the training of a specific subject matter(s). Customizable Training Devices/Materials: Proposed off-the-shelf devices and simulators may be customized to customer specifications via a scope of work and priced on a firm fixed price or labor hour basis.
Response
Compare the buyer's requirement to the official SIN language before forcing the opportunity into a familiar lane.
Offer proof
Product SINs can create TAA, letter-of-supply, CSA, EULA, or FCP Product File questions.
Signal
The SIN supports products, catalog details, commercial pricing, and supplier or manufacturer documentation.
Response
Prepare catalog data, commercial pricing, TAA or supply-chain evidence, letters of supply if needed, and product file support.
Modification path
Adding a SIN can affect catalog files, service descriptions, pricing support, and buyer-facing records.
Signal
The contractor wants to add this SIN after award or adjust offerings tied to it.
Response
Use the Add SIN and Add Product/Labor Category modification pages to plan scope, price, and evidence changes.
Refresh 32

SIN 333318TDTM quick facts

A compact view of the official SIN record from the user's Refresh 32 MAS offerings workbook.

Category
Professional Services
Training
NAICS
333310
NAICS codes associated with the SIN in the workbook.
PSC
6910
Product Service Code mapped to the SIN.
Max order
$1,000,000
Ordering threshold for seeking additional price reductions.
Part 1

What SIN 333318TDTM covers

333318TDTM Off-the-Shelf Training Devices: Proposed training devices shall be commercially-available off-the-shelf training devices to include software programs, teaching machines and devices, simulators such as driving simulators, flight simulators, etc., prepared printed instructional material, medical models and simulators, prepared audio and visual instruction material and multimedia program kits. Customizable Training Devices: Proposed customized training devices and simulators shall be in addition to the or the result of planning, designing, and/or producing customized training products that include but are not limited to print, audio/visual, audio, digital formats and emerging technologies. Proposed training devices, print materials, audio-visual and multimedia formats, electronic media, etc., shall directly train students in a specific subject matter(s) or assist in the training of a specific subject matter(s). Customizable Training Devices/Materials: Proposed off-the-shelf devices and simulators may be customized to customer specifications via a scope of work and priced on a firm fixed price or labor hour basis.

The official record maps this SIN to NAICS 333310 and PSC 6910. Those codes are not the whole strategy, but they help explain how the offering is categorized for buyers and reviewers.

Part 2

How to prepare the offer story

For product-oriented SINs, keep the catalog data, commercial pricing, supplier authority, country-of-origin or supply-chain support, and product documentation organized. Product pages work best when the file tells a clean catalog story.

If the SIN is being added through eMod, write down what changes operationally: new scope, new pricing, new files, catalog impact, and who owns maintenance after approval.

Part 3

Buyer and SEO language to keep straight

Use the SIN number, title, category, and subcategory together: SIN 333318TDTM - Off-the-Shelf Training Devices and Training Materials - Professional Services - Training. That combination helps a buyer understand the lane quickly and helps the page avoid becoming a vague keyword page.

When writing capability language, explain the actual deliverables and evidence. Do not make the SIN carry the whole message by itself.

Examples

What this looks like in practice

Real-world checkHow to test SIN 333318TDTM before building files

Start with the official title and description: Off-the-Shelf Training Devices and Training Materials sits under Professional Services > Training. Then compare your actual commercial offering to that scope, not only to the NAICS code.

If the fit still looks strong, build the proof stack: offering description, pricing support, past performance or product support, and any SIN-specific files the current GSA instructions require.

  • Confirm scope language.
  • Check NAICS and PSC signals.
  • Match the pricing file to the offering type.
  • Keep the support package reviewer-friendly.

Frequently asked questions

Is SIN 333318TDTM part of TDR?

The Refresh 32 workbook marks TDR as Y for this SIN. GSA states that TDR became mandatory across MAS SINs with Refresh 31, so contractors should still verify current contract reporting instructions in official GSA sources.

Can order-level materials be used with SIN 333318TDTM?

The workbook marks OLM as Y. OLM treatment should always be verified against the current MAS solicitation, mass modifications, and contract-specific instructions.

Should I pick a SIN only because the NAICS matches?

No. NAICS helps, but SIN selection should be based on the actual offering, official SIN description, category/subcategory, pricing files, and buyer acquisition path.