---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-010686"
form_type: "8-K"
ticker: "NPK"
cik: "0000080172"
company_name: "NATIONAL PRESTO INDUSTRIES INC"
filed_at: "2025-04-02T23:59:59+00:00"
generated_at: "2026-05-24T00:11:14.822352+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# National Presto subsidiary wins $139.7M in 40mm cartridge contracts

## Summary
- AMTEC received multiple awards totaling $139.7M for 40mm cartridges from various customers.
- Deliveries scheduled to begin in 2025 and complete in 2029.
- Awards support National Presto's Defense segment, which manufactures medium caliber ammunition and ordnance.

## SEC filing metadata
- accession: 0001437749-25-010686
- form_type: 8-K
- ticker: NPK
- cik: 0000080172
- company_name: NATIONAL PRESTO INDUSTRIES INC
- filed_at: 2025-04-02T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/80172/000143774925010686/0001437749-25-010686-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/80172/000143774925010686/npk20250402_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-010686
- JSON: https://secwatch.observer/filing/0001437749-25-010686.json
- Plain text: https://secwatch.observer/filing/0001437749-25-010686.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.