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PartsTable / COMPONENT / RC5121
RC5121 ✓ 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 BUSHING,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thickness: 0.187 INCHES NOMINAL IN, overall_length: 0.531 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_across_flats: 0.625 INCHES NOMINAL IN, nominal_thread_size: 0.625 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-293-7971, 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
RC5121
NSN: 5365-00-293-7971
FSC: 5365
CAGE: 82471 — LENARD PACKAGING CO INC THE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.187 INCHES NOMINAL IN
overall_length0.531 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
screw_thread_length0.344 INCHES NOMINAL IN
hole_inside_diameter0.391 INCHES NOMINAL IN
thread_quantity_per_inch27
thread_series_designatorUNS
wrenching_facility_shapeHEXAGON
NSN5365-00-293-7971
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BUSHING,MACHINE THREAD TITLE COMPONENT PN RC5121 MFR BUSHING,MACHINE THREAD
KEY FEATURES
•
THICKNESS: 0.187 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN
•
WRENCHING FACILITY SHAPE: HEXAGON
•
HOLE INSIDE DIAMETER: 0.391 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 27
•
SCREW THREAD LENGTH: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.187 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
OVERALL LENGTH0.531 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
WRENCHING FACILITY SHAPEHEXAGON
HOLE INSIDE DIAMETER0.391 INCHES NOMINAL IN
THREAD QUANTITY PER INCH27
SCREW THREAD LENGTH0.344 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNS
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
G4Interchangeable
interchangeable cross-reference
interchangeable
309523Interchangeable
interchangeable cross-reference
interchangeable
S2603-860341Interchangeable
interchangeable cross-reference
interchangeable
9196Interchangeable
interchangeable cross-reference
interchangeable
D1012Interchangeable
interchangeable cross-reference
interchangeable
1012-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RC5121?
RC5121 is a BUSHING,MACHINE THREAD.
What parts can replace RC5121?
There are 22 known substitutes for RC5121: G4, 309523, S2603-860341 and 19 more. Substitute compatibility should be verified for your specific system.
Is RC5121 still available?
RC5121 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026