NSN 5940-01-390-3770 — this item is cataloged by the U.S. Government under National Stock Number 5940-01-390-3770. Manufacturer of record part number: 1556.
Also searched as5940-01-390-3770 ·
5940013903770 ·
NIIN 013903770 ·
01-390-3770 ·
FSC 5940 Lugs, Terminals, and Terminal Strips · CAGE 28520 · 1556 · E123-064
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 1556
Manufacturer: Heyco Inc Dba Heyco Products
General Description
The Terminal Board, cataloged under National Stock Number 5940-01-390-3770, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 5940 — Lugs, Terminals, and Terminal Strips
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5940-00-000-0045
TERMINAL BOARD ASSEMBLY
5940-00-000-0235
5940-00-000-0235 · Item name not on file
5940-00-001-1331
5940-00-001-1331 · Item name not on file
5940-00-001-1332
5940-00-001-1332 · Item name not on file
5940-00-001-1333
5940-00-001-1333 · Item name not on file
5940-00-001-1335
5940-00-001-1335 · Item name not on file
5940-00-001-1336
5940-00-001-1336 · Item name not on file
5940-00-001-1358
5940-00-001-1358 · Item name not on file
Frequently Asked Questions
What is NSN 5940-01-390-3770?
NSN 5940-01-390-3770 is a Terminal Board, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
What part numbers are listed for NSN 5940-01-390-3770?
NSN 5940-01-390-3770 has 2 manufacturer part numbers on file: E123-064 (Indeeco Llc Dba Indeeco), 1556 (Heyco Inc Dba Heyco Products).
What are the specifications of 1556?
Key specifications for 1556: Body Style: STANDOFF; Terminal Facility Quantity: 3; Dielectric Withstanding Voltage in Volts: 600.0; Terminal Design: FEEDTHRU. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5940-01-390-3770 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.