--- type: restriction id: usps-model-fuel-for-glow-plug-engines asset: shipping-restrictions-by-class title: "Model fuel for glow-plug engines — Postal shipping restrictions by item category" sources: - https://pe.usps.com/text/pub52/pub52c3_022.htm source_quote: "Model Fuel (for Glow-Plug Engines): A flammable liquid with a flashpoint ranging from 65° F to 75° F. It is mailable only if it qualifies as a Limited Quantity surface material" generated: true harvested: 2026-08-04 stale_after: 2027-08-04 item_category: "Model fuel for glow-plug engines" carrier: "USPS" restriction_type: "restricted" scope: "domestic mail via surface transportation only" conditions: "Mailable only if qualifies as Limited Quantity surface material and meets quantity limitations and packaging requirements; Packaging Instruction 3A must be followed" verified: false unverified_fields: carrier, conditions, item_category --- **Item category:** Model fuel for glow-plug engines **Carrier:** USPS **Restriction type:** restricted **Scope:** domestic mail via surface transportation only **Conditions:** Mailable only if qualifies as Limited Quantity surface material and meets quantity limitations and packaging requirements; Packaging Instruction 3A must be followed > Model Fuel (for Glow-Plug Engines): A flammable liquid with a flashpoint ranging from 65° F to 75° F. It is mailable only if it qualifies as a Limited Quantity surface material Source: