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P121 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: NICKEL ALLOY 400 OVERALL, body_width: 0.425 INCHES MAXIMUM IN, seal_width: 0.375 INCHES NOMINAL IN, body_height: 0.400 INCHES MAXIMUM IN, body_length: 0.425 INCHES MAXIMUM IN, construction: SOLID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5995-00-173-2415, 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
P121
NSN: 5995-00-173-2415
FSC: 5995
CAGE: 4U744 — FLUKE ELECTRONICS CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
body_width0.425 INCHES MAXIMUM IN
seal_width0.375 INCHES NOMINAL IN
body_height0.400 INCHES MAXIMUM IN
body_length0.425 INCHES MAXIMUM IN
constructionSOLID
thread_length0.250 INCHES MAXIMUM IN
fastener_length0.250 INCHES MAXIMUM IN
special_features180 DEG. POWER DIVIDERS/COMBINERS,TWO-WAY;FREQUENCY RANGE 1 MHZ TO 200 MHZ; OPERATING POWER 1 WATT MHz
thread_directionRIGHT-HAND
housing_bore_diameter2.750 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
NSN5995-00-173-2415
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,PLUG-IN ELECTRONIC COMPON TITLE COMPONENT PN P121 MFR SOCKET,PLUG-IN ELECTRO
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: SINGLE CONDUCTOR STRANDED CORD,20 AWG,41 STRANDS OF 36 AWG,POLYVINYL INSULATION,0.087 IN. O.D.,1FOOT LONG EXCLUDING TERMINATIONS,TERMINATED EACH END WITH ASTACK PLUG 1.380 IN. LONG,PIN TIP 0.080 IN. DIA.,BROWN CORD IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSINGLE CONDUCTOR STRANDED CORD,20 AWG,41 STRANDS OF 36 AWG,POLYVINYL INSULATION,0.087 IN. O.D.,1FOOT LONG EXCLUDING TERMINATIONS,TERMINATED EACH END WITH ASTACK PLUG 1.380 IN. LONG,PIN TIP 0.080 IN. DIA.,BROWN CORD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MS39242-41Interchangeable
interchangeable cross-reference
interchangeable
35-9045Interchangeable
interchangeable cross-reference
interchangeable
A52490-4L580Interchangeable
interchangeable cross-reference
interchangeable
L38Interchangeable
interchangeable cross-reference
interchangeable
5573018Interchangeable
interchangeable cross-reference
interchangeable
LF0053100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P121?
P121 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace P121?
There are 16 known substitutes for P121: MS39242-41, 35-9045, A52490-4L580 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P121?
P121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5995-00-173-2415. 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