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Technical Data Sheet
MS421-40-1RCA ✓ 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 INTERRUPTER,GROUND FAULT is a the manufacturer industrial component. Key specifications include material: STEEL, effective_length: 1.9667 FEET NOMINAL FT, pin_fastening_method: RIVETED AND SPRING CLIP, first_chain_link_style: ROLLER, nominal_pitch_distance: 0.500 INCHES IN, second_chain_link_style: PIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-192-6799, 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
MS421-40-1RCA
NSN: 3020-00-192-6799
FSC: 3020
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL
effective_length1.9667 FEET NOMINAL FT
link_row_quantity1
pin_fastening_methodRIVETED AND SPRING CLIP
first_chain_link_styleROLLER
nominal_pitch_distance0.500 INCHES IN
second_chain_link_stylePIN
minimum_tensile_strength3125 POUNDS PER SQUARE INCH LBS
first_chain_link_plate_width0.475 INCHES NOMINAL IN
second_chain_link_plate_width0.410 INCHES NOMINAL IN
second_chain_link_pin_nominal_diameter0.1560 INCHES IN
first_chain_link_plate_nominal_thickness0.0600 INCHES IN
NSN3020-00-192-6799
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INTERRUPTER,GROUND FAULT TITLE COMPONENT PN MS421-40-1RCA MFR INTERRUPTER,GROUND FAU
KEY FEATURES
NOMINAL PITCH DISTANCE: 0.500 INCHES IN
LINK ROW QUANTITY: 1
LINK ROLLER NOMINAL DIAMETER: 0.3125 INCHES IN
MATERIAL: STEEL
LINK PLATE NOMINAL THICKNESS: 0.0600 INCHES IN
DEPARTURE FROM CITED DESIGNATOR: ROLLER LINK FOR CHAIN NO. 40-IRCA
MINIMUM TENSILE STRENGTH: 3125 POUNDS PER SQUARE INCH LBS
LINK NOMINAL WIDTH BETWEEN PLATES: 0.3125 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PITCH DISTANCE0.500 INCHES IN
LINK ROW QUANTITY1
LINK ROLLER NOMINAL DIAMETER0.3125 INCHES IN
MATERIALSTEEL
LINK PLATE NOMINAL THICKNESS0.0600 INCHES IN
DEPARTURE FROM CITED DESIGNATORROLLER LINK FOR CHAIN NO. 40-IRCA
MINIMUM TENSILE STRENGTH3125 POUNDS PER SQUARE INCH LBS
LINK NOMINAL WIDTH BETWEEN PLATES0.3125 INCHES IN
LINK STYLEROLLER
LINK PLATE WIDTH0.475 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
401RInterchangeable
interchangeable cross-reference
interchangeable
MILP36637Interchangeable
interchangeable cross-reference
interchangeable
3001AInterchangeable
interchangeable cross-reference
interchangeable
4348PC185Interchangeable
interchangeable cross-reference
interchangeable
13191000 PIECE 66Interchangeable
interchangeable cross-reference
interchangeable
RC40SAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS421-40-1RCA?
MS421-40-1RCA is a INTERRUPTER,GROUND FAULT.
What parts can replace MS421-40-1RCA?
There are 21 known substitutes for MS421-40-1RCA: 401R, MILP36637, 3001A and 18 more. Substitute compatibility should be verified for your specific system.
Is MS421-40-1RCA still available?
MS421-40-1RCA is currently cancelled.
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