PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6190378Relay Assembly

Naval Sea Systems Command · NSN 5945-01-081-6402 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-081-6402 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-081-6402. Primary manufacturer part number: 6190378.
Features
  • Relay Assembly — FSC 5945
  • Individual Relay Quantity: 10
  • Controlling Agency: MILITARY SPECIFICATION
  • Mounting Configuration: MOUNTED BY TWO 0.128 IN. DIA UNTHREADED HOLES IN
  • Identifying Number: -39016/16-012L PART NO.
  • Relay Type: ELECTROMAGNETIC
  • 5 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay Assembly, cataloged under National Stock Number 5945-01-081-6402, 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 Naval Sea Systems Command. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-081-6402
Primary Part Number6190378
Item NameRelay Assembly
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Individual Relay Quantity10
Controlling AgencyMILITARY SPECIFICATION
Mounting ConfigurationMOUNTED BY TWO 0.128 IN. DIA UNTHREADED HOLES IN
Identifying Number-39016/16-012L PART NO.
Relay TypeELECTROMAGNETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-286-648704695 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Fire Combat, Inc.
Cross-Reference Index
Part NumberManufacturer
6190378 PRIMARY Naval Sea Systems Command (USA)
04695 Ar Systems, Inc. (USA)
66611688 Ducommun Labarge Technologies, Inc. (USA)
6190378 Ar Systems, Inc. (USA)
L535990042 Lockheed Martin Librascope Corporation (USA)
Related Parts
4820-01-286-6487INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
04695

Frequently Asked Questions

What is NSN 5945-01-081-6402?

NSN 5945-01-081-6402 is a Relay Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-081-6402?

NSN 5945-01-081-6402 has 5 cross-referenced part numbers: 6190378 (Naval Sea Systems Command), 04695 (Ar Systems, Inc.), 66611688 (Ducommun Labarge Technologies, Inc.), 6190378 (Ar Systems, Inc.), L535990042 (Lockheed Martin Librascope Corporation).

What NSN replaces 5945-01-081-6402?

There is 1 known substitute for 5945-01-081-6402: 4820-01-286-6487. Verify interchangeability with system specifications before substitution.

What are the specifications of 6190378?

Key specifications for 6190378: Individual Relay Quantity: 10; Controlling Agency: MILITARY SPECIFICATION; Overall Width: 1.950 INCHES NOMINAL IN; Mounting Configuration: MOUNTED BY TWO 0.128 IN. DIA UNTHREADED HOLES IN. 8 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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