NSN formatter

Client

Format NATO National Stock Number 13-digit strings with FSC-NIIN groups.

1234-56-789-0123

Nearby workflows on Toolcore

  • GTIN checksum (EAN / UPC) — Paste GTIN‑8, UPC‑A (GTIN‑12), EAN‑13, or logistic GTIN‑14 digits—ISO GS1 modulus‑10 parity without GS1 lookup—browser-only. when another identifier column uses a different checksum ruleset.
  • D-U-N-S Number checker — Nine-digit Dun & Bradstreet identifier—modulus‑10 check digit on eight data digits; no D&B lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • SSCC checksum — 18-digit Serial Shipping Container Code—GS1 modulus‑10 check digit; optional (00) prefix stripped; no registry lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • VIN check digit (17-char) — North American–style vehicle ID: ninth-position mod 11 checksum, WMI and sequential split—no DMV or OEM decode API; browser-only. when another identifier column uses a different checksum ruleset.

About this tool

Normalize logistics NSN strings for NATO supply catalogs and RFQ spreadsheets.

Common use cases

  • NSN formatter for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.