PartsTable TECHNICAL DATA SHEET
NSN 5945-01-388-6935Government record, cited

Relay, Electromagnetic5945-01-388-6935

NSN 5945-01-388-6935 · NIIN 013886935 · Part number A257A-480VAC
Time Mark Corp · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 51741
Government record, cited
NSN 5945-01-388-6935 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-388-6935. Manufacturer of record part number: A257A-480VAC.
Also searched as  5945-01-388-6935 · 5945013886935 · NIIN 013886935 · 01-388-6935 · FSC 5945 Relays and Solenoids · CAGE 51741 · A257A-480VAC
Nearby stock numbers  ·
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 8 TERMINAL SINGLE MOUNTING FACILITY
  • Main Contact Maximum Voltage Rating in Volts: 480.0 AC
  • Duty Type: CONTINUOUS
  • Frequency in Hertz: 50.0 MINIMUM OR 60.0 MAXIMUM
  • Coil Quantity: 2
  • Winding Quantity: 2
  • Terminal Type and Quantity: 6 PIN ALL FUNCTIONS
Identification
  • NSN: 5945-01-388-6935
  • NIIN: 013886935
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: A257A-480VAC
  • Manufacturer: Time Mark Corp
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-388-6935, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Time Mark Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-388-6935
Primary Part NumberA257A-480VAC
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerTime Mark Corp
StatusACTIVE
Mounting Facility Type and Quantity8 TERMINAL SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts480.0 AC
Duty TypeCONTINUOUS
Frequency in Hertz50.0 MINIMUM OR 60.0 MAXIMUM
Coil Quantity2
Winding Quantity2
Terminal Type and Quantity6 PIN ALL FUNCTIONS
Terminal Type and Quantity2 PIN DUMMY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
A257A-480VAC PRIMARY Time Mark Corp (USA)
No interchangeability data on file.
Other items in FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093
5945-00-000-0093 · Item name not on file
5945-00-001-1891
5945-00-001-1891 · Item name not on file
5945-00-001-2622
PLATE,RELAY
5945-00-001-2795
RELAY,ELECTROMAGNETIC
5945-00-001-2806
RELAY,REED
5945-00-001-2938
5945-00-001-2938 · Item name not on file
5945-00-001-3015
RELAY ASSEMBLY
5945-00-001-3016
PROTECTOR,OVERLOAD

Frequently Asked Questions

What is NSN 5945-01-388-6935?

NSN 5945-01-388-6935 is a Relay,electromagnetic, manufactured by Time Mark Corp, classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-01-388-6935?

NSN 5945-01-388-6935 has 1 manufacturer part number on file: A257A-480VAC (Time Mark Corp).

What are the specifications of A257A-480VAC?

Key specifications for A257A-480VAC: Mounting Facility Type and Quantity: 8 TERMINAL SINGLE MOUNTING FACILITY; Overall Height: 3.250 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 480.0 AC; Duty Type: CONTINUOUS. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5945-01-388-6935 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.
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