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578660-405 — SWITCH,STEPPING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

578660-405: SWITCH,STEPPING.

The SWITCH,STEPPING is a the manufacturer industrial component. Key specifications include contact_type: NONBRIDGING, current_type: DC, overall_depth: 1.891 INCHES NOMINAL IN, overall_height: 2.578 INCHES NOMINAL IN, overall_length: 4.312 INCHES NOMINAL IN, voltage_rating: 135.0 VOLTS NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-705-2108, 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
578660-405
NSN: 5930-00-705-2108
FSC: 5930 — Switches
CAGE: 20418 — DRS SUSTAINMENT SYSTEMS, INC. (USA)
SPECIFICATIONS
contact_typeNONBRIDGING
current_typeDC
overall_depth1.891 INCHES NOMINAL IN
overall_height2.578 INCHES NOMINAL IN
overall_length4.312 INCHES NOMINAL IN
voltage_rating135.0 VOLTS NOMINAL
mounting_methodSTUD(S)
bank_level_quantity4
contact_current_rating100.0 MILLIAMPERES
magnetic_coil_quantity1
operating_current_rating250.0 MILLIAMPERES NOMINAL
nonbridging_level_quantity4
NSN5930-00-705-2108
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,STEPPING TITLE COMPONENT PN 578660-405 MFR SWITCH,STEPPING
KEY FEATURES
•
CONTACT TYPE: NONBRIDGING
•
CURRENT TYPE: DC
•
CONTACT QUANTITY PER BANK LEVEL: 10
•
OPERATING CURRENT RATING: 250.0 MILLIAMPERES NOMINAL
•
MOUNTING METHOD: STUD(S)
•
NONBRIDGING LEVEL QUANTITY: 4
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.578 INCHES NOMINAL IN
CONTACT TYPENONBRIDGING
CURRENT TYPEDC
CONTACT QUANTITY PER BANK LEVEL10
OPERATING CURRENT RATING250.0 MILLIAMPERES NOMINAL
MOUNTING METHODSTUD(S)
OVERALL LENGTH4.312 INCHES NOMINAL IN
NONBRIDGING LEVEL QUANTITY4
MAGNETIC COIL QUANTITY1
CONTACT CURRENT RATING100.0 MILLIAMPERES
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES 3
ES1632-8Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
PP-3144-8ZSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
W8878Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 578660-405?
578660-405 is a SWITCH,STEPPING.
What parts can replace 578660-405?
There are 3 known substitutes for 578660-405: ES1632-8, PP-3144-8Z, W8878. Substitute compatibility should be verified for your specific system.
What is the NSN for 578660-405?
578660-405 is cataloged in the U.S. Government catalog under NSN 5930-00-705-2108. 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.