PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A27QARelay Subassembly

Liberty Die and Button Mould Corp · NSN 5945-00-201-5231 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-201-5231 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-201-5231. Primary manufacturer part number: A27QA.
Features
  • Relay Subassembly — FSC 5945
  • Component Type and Quantity: 2 COIL
  • 3 verified cross-references
  • Primary manufacturer: Liberty Die and Button Mould Corp
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay Subassembly, cataloged under National Stock Number 5945-00-201-5231, 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 Liberty Die and Button Mould Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-201-5231
Primary Part NumberA27QA
Item NameRelay Subassembly
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLiberty Die and Button Mould Corp
StatusACTIVE
Component Type and Quantity2 COIL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5905-00-010-6053 INTERCHANGEABLE
Resistor,fixed,wire Wound
5950-00-045-8566204-11 INTERCHANGEABLE
Coil,radio Frequency
Wilco Corp
3120-00-059-8298 INTERCHANGEABLE
Bearing,sleeve
4920-00-346-366920411 INTERCHANGEABLE
Test Stand,fuel Flo
Stocker and Yale Inc
5935-00-546-6533 INTERCHANGEABLE
Connector,plug,electrical
5940-00-655-334010-101-1 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5330-00-744-133016-23 INTERCHANGEABLE
Ring,wiper
Hydranamics Inc
5305-01-139-32622041-1 INTERCHANGEABLE
Screw,externally Relieved Body
Leidos, Inc. Div Cyber and Information Solutions Services
1730-01-461-5522 INTERCHANGEABLE
Adapter,ground Handling Equipmen
Cross-Reference Index
Part NumberManufacturer
A27QA Liberty Die and Button Mould Corp (USA)
20411 Olympic Controls Corp (USA)
AK115-1 Philips Ecg Inc Div of North American Philips Corp (USA)
Related Parts
5905-00-010-6053INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5950-00-045-8566INTERCHANGEABLE
COIL,RADIO FREQUENCY
204-11
3120-00-059-8298INTERCHANGEABLE
BEARING,SLEEVE
4920-00-346-3669INTERCHANGEABLE
TEST STAND,FUEL FLO
20411
5935-00-546-6533INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5940-00-655-3340INTERCHANGEABLE
TERMINAL,STUD
10-101-1
5330-00-744-1330INTERCHANGEABLE
RING,WIPER
16-23
5305-01-139-3262INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
2041-1
1730-01-461-5522INTERCHANGEABLE
ADAPTER,GROUND HANDLING EQUIPMEN

Frequently Asked Questions

What is NSN 5945-00-201-5231?

NSN 5945-00-201-5231 is a Relay Subassembly, manufactured by Liberty Die and Button Mould Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-201-5231?

NSN 5945-00-201-5231 has 3 cross-referenced part numbers: A27QA (Liberty Die and Button Mould Corp), 20411 (Olympic Controls Corp), AK115-1 (Philips Ecg Inc Div of North American Philips Corp).

What NSN replaces 5945-00-201-5231?

There are 9 known substitutes for 5945-00-201-5231: 5905-00-010-6053, 5950-00-045-8566, 3120-00-059-8298 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A27QA?

Key specifications for A27QA: End Item Identification: MODEL NO. AN/SPS-7; Overall Height: 1.438 INCHES NOMINAL IN; Overall Width: 1.656 INCHES NOMINAL IN; Special Features: FOUR NO.6-32 THDED MTG HOLES ON 1/2 IN. BY 1-5/16 IN. MTG CNTRS IN. 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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