---
type: restriction
id: usps-diesel-fuel-na1993
asset: shipping-restrictions-by-class
title: "Diesel fuel (NA1993) — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_022.htm
source_quote: "52/pub52apxc_001.htm#ep999476> Appendix C must be followed. Diesel Fuel (NA1993): A combustible liquid with a typical flashpoint between 110&deg; F (43&deg; C) and 190&deg; F (88&deg; C) and is mailable if it qualifies as a Limited Quantity surface material and meets the conditions stated in 343.22 . Packaging Instruction 3B in <https://pe.usps.com/text/pub5"
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Diesel fuel (NA1993)"
carrier: "USPS"
restriction_type: "restricted"
scope: "domestic mail via surface transportation"
conditions: "Mailable if qualifies as Limited Quantity surface material and meets conditions; Packaging Instruction 3B must be followed"
verified: true
---
**Item category:** Diesel fuel (NA1993)

**Carrier:** USPS

**Restriction type:** restricted

**Scope:** domestic mail via surface transportation

**Conditions:** Mailable if qualifies as Limited Quantity surface material and meets conditions; Packaging Instruction 3B must be followed

> 52/pub52apxc_001.htm#ep999476> Appendix C must be followed. Diesel Fuel (NA1993): A combustible liquid with a typical flashpoint between 110&deg; F (43&deg; C) and 190&deg; F (88&deg; C) and is mailable if it qualifies as a Limited Quantity surface material and meets the conditions stated in 343.22 . Packaging Instruction 3B in <https://pe.usps.com/text/pub5

Source: <https://pe.usps.com/text/pub52/pub52c3_022.htm>