HazmatTable logoHAZMATTABLE
NA identification number

NA3178: Smokeless powder for small arms ( )

As listed: Smokeless powder for small arms (100 pounds or less)

NA3178 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 4.1, packing group I.

ID numberNA3178
Hazard class4.1
Packing groupI
Label codes4.1

All §172.101 entries for NA3178

Proper shipping nameClassPGLabels
Smokeless powder for small arms (100 pounds or less)4.1I4.1

Open any entry for packaging sections, special provisions, air limits and vessel stowage.

What it means

4.1
Class 4.1 — Flammable solid. Solids that ignite readily or can cause fire through friction, plus self-reactive and desensitized explosive materials.

Packing group ranks danger within the class: PG I = great danger.

Label codes (column 6): 4.1 → Flammable solid label.

NA numbers are North-America-only identification numbers — not recognized for international transport except to and from Canada.

Example basic description

NA3178, Smokeless powder for small arms ( ), 4.1, PG I

Proper shipping name shown without the table's italic descriptive text. Order per §172.202: ID number, proper shipping name, hazard class, packing group. Example only — add technical names, “RQ”, quantities and other elements your shipment requires.

What to check next

  1. Match the name. Compare your SDS Section 14 to the proper shipping names above and pick the row with your packing group.
  2. Read the special provisions on the entry page (§172.102) — they can add limits or exceptions.
  3. Check packaging — the entry page lists the Part 173 sections for exceptions, non-bulk and bulk.
  4. Labels & placards. Placarding depends on class and quantity — see Table 1 vs Table 2.
  5. Emergency response. Find the response guide for NA3178 in the current PHMSA Emergency Response Guidebook.
How to Read a Hazmat Table Entry poster
Free download

Get the HazmatTable Field Guide poster pack

8 printable hazmat reference posters — reading a table entry, hazard classes, placards, segregation, shipping papers and more. Free, sent to your inbox.

Get the free pack →

Common questions about NA3178

What is NA3178?

NA3178 is the identification number for Smokeless powder for small arms ( ) in the DOT Hazardous Materials Table (49 CFR §172.101).

What hazard class is NA3178?

NA3178 is listed under hazard class 4.1 (flammable solid).

What packing group is NA3178?

Packing group for NA3178: I. Where several rows exist, the packing group that fits your material decides which row applies.

Looking up materials every day? Unlimited searches are $5/mo — or add AI Search to ask questions in plain English.
See plans →
Source: Hazardous Materials Table (49 CFR §172.101), eCFR.gov — current as of Oct 23, 2026. View the official table. Reference only — verify current requirements before shipping.