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US-50 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,LOCK,IGNITION is a the manufacturer industrial component. Key specifications include ring_style: SPECIAL, usage_design: EXTERNAL, inside_diameter: 0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN, major_thickness: 0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN, outside_diameter: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 2920-00-870-7337, 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
US-50
NSN: 2920-00-870-7337
FSC: 2920
CAGE: 78174 — STANDARD MOTOR PRODUCTS (USA)
SPECIFICATIONS
ring_styleSPECIAL
usage_designEXTERNAL
inside_diameter0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
major_thickness0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN
outside_diameter0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN2920-00-870-7337
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,LOCK,IGNITION TITLE COMPONENT PN US-50 MFR SWITCH,LOCK,IGNITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
9606InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7534364P4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
UZ9606InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
KS6528InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6630-5520-1400InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
R27ARC5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is US-50?
US-50 is a SWITCH,LOCK,IGNITION.
What parts can replace US-50?
There are 23 known substitutes for US-50: 9606, 7534364P4, UZ9606 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for US-50?
US-50 is cataloged in the Federal Logistics Information System under NSN 2920-00-870-7337. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026