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R161 ✓ Verified by PartsTable
— · 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 TRANSFORMER,DISCRIMINATOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.9996 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, overall_width: 0.3650 INCHES MINIMUM AND 0.3670 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-918-9435, 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
R161
NSN: 6625-00-918-9435
FSC: 6625
CAGE: K4190 — CIMTEK UK LTD (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.9996 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
overall_width0.3650 INCHES MINIMUM AND 0.3670 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresMAX WIDTH DIMENSION UNDER 11 LB GAGE LOAD; ZERO END PLAY UNDER 11 LB GAGE LOAD LBS
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
supplementary_featuresDETECTOR BRIDGE
overall_outside_diameter1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
NSN6625-00-918-9435
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,DISCRIMINATOR TITLE COMPONENT PN R161 MFR TRANSFORMER,DISCRIMINA
KEY FEATURES
•
SUPPLEMENTARY FEATURES: DETECTOR BRIDGE
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLEMENTARY FEATURESDETECTOR BRIDGE
SUPPLEMENTARY FEATURESDETECTOR BRIDGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
SK-6Interchangeable
interchangeable cross-reference
interchangeable
159153Interchangeable
interchangeable cross-reference
interchangeable
R16-1Interchangeable
interchangeable cross-reference
interchangeable
D1-31190Interchangeable
interchangeable cross-reference
interchangeable
100-75Interchangeable
interchangeable cross-reference
interchangeable
50381Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R161?
R161 is a TRANSFORMER,DISCRIMINATOR.
What parts can replace R161?
There are 6 known substitutes for R161: SK-6, 159153, R16-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R161?
R161 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-918-9435. 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: July 2026