Y540 National Steel and Shipbuilding Company

Facility details

FIRMS code

Y540

Name

National Steel and Shipbuilding Company

Address

2798 Harbor Dr

San Diego, CA 92113-3650

Status

Active (A)

Facility type

Foreign trade zone (02)

CBP port

San Diego, CA (2501)

CBP region

7

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate Y540 before you file

Check Y540 against the port and use on your filing before ACE does: list, status, port (ACE 164) and facility type.

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"Y540","port":"2501","use":"ftz_admission"}'