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ST61 — RELAY-SOLENOID,ENGINE STARTER,EL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ST61: RELAY-SOLENOID,ENGINE STARTER,EL.

RELAY-SOLENOID,ENGINE STARTER,EL. Key specifications include end_item_identification: RQ-4A A. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-281-1871, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ST61
NSN: 2920-00-281-1871
NIINs: 002811871, 016978212
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
end_item_identificationRQ-4A A
NSN2920-00-281-1871
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY-SOLENOID,ENGINE STARTER,EL TITLE COMPONENT PN ST61 MFR RELAY-SOLENOID,ENGINE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 HOLE
•
MOUNTING FACILITY SPACING: 2.160 IN. C TO C IN
•
MOUNTING HOLE DIAMETER: 0.220 INCHES NOMINAL IN
•
NOMINAL VOLTAGE RATING: 6.0 VOLTS
•
GROUNDED CONTROL TERMINAL: INCLUDED
•
CONTROL TERMINAL TYPE: THREADED STUD
•
CONTROL TERMINAL QUANTITY: 3
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY2 HOLE
MOUNTING FACILITY SPACING2.160 IN. C TO C IN
MOUNTING HOLE DIAMETER0.220 INCHES NOMINAL IN
NOMINAL VOLTAGE RATING6.0 VOLTS
GROUNDED CONTROL TERMINALINCLUDED
CONTROL TERMINAL TYPETHREADED STUD
SPECIAL FEATURESSUPPORTS GRUMMAN A10 AIRCRAFT
CONTROL TERMINAL QUANTITY3
SUBSTITUTES & CROSS-REFERENCES 2
03476-CSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FF138Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST61?
ST61 is a RELAY-SOLENOID,ENGINE STARTER,EL.
What parts can replace ST61?
There are 2 known substitutes for ST61: 03476-CS, FF138. Substitute compatibility should be verified for your specific system.
What is the NSN for ST61?
ST61 is cataloged in the U.S. Government catalog under NSN 2920-00-281-1871. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.