PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-377Relay,electromagnetic

Automatic Switch Company Dba Asco · NSN 5945-01-283-9032 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-283-9032 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-283-9032. Primary manufacturer part number: 30-377.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Nonpile-Up Main Contact Arrangement: 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Arc Quenching Method: AIR
  • Fragility Factor: MODERATELY RUGGED
  • Purpose for Which Designed: GENERAL
  • 2 verified cross-references
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-283-9032, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-283-9032
Primary Part Number30-377
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAutomatic Switch Company Dba Asco
StatusACTIVE
Coil Quantity1
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Storage TypeGENERAL PURPOSE WAREHOUSE
Arc Quenching MethodAIR
Fragility FactorMODERATELY RUGGED
Purpose for Which DesignedGENERAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5895-00-012-3080 INTERCHANGEABLE
Disk,keyer
5930-00-270-70442556P11 INTERCHANGEABLE
Switch,push-Pull
Taylor Machine Works Inc
5905-00-279-20150455 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5940-01-033-9595K1021-S2 INTERCHANGEABLE
Terminal,stud
Hermetic Seal Corporation Div Ametek Inc.
Cross-Reference Index
Part NumberManufacturer
30-377 Automatic Switch Company Dba Asco (USA)
75-709 ITEM 3 Automatic Switch Company Dba Asco (USA)
Related Parts
5895-00-012-3080INTERCHANGEABLE
DISK,KEYER
5930-00-270-7044INTERCHANGEABLE
SWITCH,PUSH-PULL
2556P11
5905-00-279-2015INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
0455
5940-01-033-9595INTERCHANGEABLE
TERMINAL,STUD
K1021-S2

Frequently Asked Questions

What is NSN 5945-01-283-9032?

NSN 5945-01-283-9032 is a Relay,electromagnetic, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-283-9032?

NSN 5945-01-283-9032 has 2 cross-referenced part numbers: 30-377 (Automatic Switch Company Dba Asco), 75-709 ITEM 3 (Automatic Switch Company Dba Asco).

What NSN replaces 5945-01-283-9032?

There are 4 known substitutes for 5945-01-283-9032: 5895-00-012-3080, 5930-00-270-7044, 5905-00-279-2015 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30-377?

Key specifications for 30-377: Coil Quantity: 1; Nonpile-Up Main Contact Arrangement: 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Storage Type: GENERAL PURPOSE WAREHOUSE; Arc Quenching Method: AIR. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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