PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20023Relay Assembly

Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) · NSN 5945-00-240-4388 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-240-4388 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-240-4388. Primary manufacturer part number: 20023.
Features
  • Relay Assembly — FSC 5945
  • Mounting Facility: MOUNTING BOARD
  • Controlling Agency: PHILLIPS CONTROL CORP
  • Mounting Configuration: FOUR 3/16 IN. DIA MTG HOLES ON 2-1/4 IN. BY 3-7/8 IN. MTG CENTERS IN
  • Individual Relay Quantity: 2
  • Identifying Number: 27QA21DL TYPE NO.
  • Relay Type: ARMATURE
  • 1 verified cross-reference
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay Assembly, cataloged under National Stock Number 5945-00-240-4388, 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 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft). Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-240-4388
Primary Part Number20023
Item NameRelay Assembly
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSe Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
StatusACTIVE
Mounting FacilityMOUNTING BOARD
Controlling AgencyPHILLIPS CONTROL CORP
Mounting ConfigurationFOUR 3/16 IN. DIA MTG HOLES ON 2-1/4 IN. BY 3-7/8 IN. MTG CENTERS IN
Individual Relay Quantity2
Identifying Number27QA21DL TYPE NO.
Relay TypeARMATURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-143-4833 INTERCHANGEABLE
Terminal Board
5133-00-189-9313 INTERCHANGEABLE
Drill,twist
5330-00-193-2840 INTERCHANGEABLE
Seal,plain Encased
5970-00-303-97592002-3 INTERCHANGEABLE
Insulator,bushing
Dynamic Air Engineering, Inc.
2920-00-420-7787 INTERCHANGEABLE
Switch,burner
5330-00-609-7718 INTERCHANGEABLE
Gasket
5961-00-794-6198575R041H01 INTERCHANGEABLE
Holder,semiconductor Device
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
7490-00-955-428820023 INTERCHANGEABLE
Fence,feed
Pitney Bowes Inc.
5950-01-067-0998 INTERCHANGEABLE
Transformer,power
3040-01-091-384370400-02252-116 INTERCHANGEABLE
Connecting Link,rigid
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Cross-Reference Index
Part NumberManufacturer
20023 PRIMARY Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
Related Parts
5940-00-143-4833INTERCHANGEABLE
TERMINAL BOARD
5133-00-189-9313INTERCHANGEABLE
DRILL,TWIST
5330-00-193-2840INTERCHANGEABLE
SEAL,PLAIN ENCASED
5970-00-303-9759INTERCHANGEABLE
INSULATOR,BUSHING
2002-3
2920-00-420-7787INTERCHANGEABLE
SWITCH,BURNER
5330-00-609-7718INTERCHANGEABLE
GASKET
5961-00-794-6198INTERCHANGEABLE
HOLDER,SEMICONDUCTOR DEVICE
575R041H01
7490-00-955-4288INTERCHANGEABLE
FENCE,FEED
20023
5950-01-067-0998INTERCHANGEABLE
TRANSFORMER,POWER
3040-01-091-3843INTERCHANGEABLE
CONNECTING LINK,RIGID
70400-02252-116
4820-01-192-3660INTERCHANGEABLE
STEM,FLUID VALVE
20023
5310-01-373-6163INTERCHANGEABLE
WASHER,FLAT
20023

Frequently Asked Questions

What is NSN 5945-00-240-4388?

NSN 5945-00-240-4388 is a Relay Assembly, manufactured by Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft), classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-240-4388?

NSN 5945-00-240-4388 has 1 cross-referenced part number: 20023 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)).

What NSN replaces 5945-00-240-4388?

There are 12 known substitutes for 5945-00-240-4388: 5940-00-143-4833, 5133-00-189-9313, 5330-00-193-2840 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20023?

Key specifications for 20023: Mounting Facility: MOUNTING BOARD; Controlling Agency: PHILLIPS CONTROL CORP; Overall Width: 2.500 INCHES NOMINAL IN; Overall Length: 4.375 INCHES NOMINAL IN. 10 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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