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PartsTable / COMPONENT / 422943
422943 ✓ 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 RING SET,PISTON is a the manufacturer industrial component. Key specifications include body_width: 1.641 INCHES MAXIMUM IN, body_height: 1.797 INCHES MAXIMUM IN, body_length: 2.266 INCHES MAXIMUM IN, design_form: PREBENT, overall_width: 1.641 INCHES MAXIMUM IN, inclosure_type: OPEN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-01-314-5710, 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
422943
NSN: 2815-01-314-5710
FSC: 2815
CAGE: 1TH76 — ROLLS-ROYCE MARINE NORTH AMERICA INC (USA)
SPECIFICATIONS
body_width1.641 INCHES MAXIMUM IN
body_height1.797 INCHES MAXIMUM IN
body_length2.266 INCHES MAXIMUM IN
design_formPREBENT
overall_width1.641 INCHES MAXIMUM IN
inclosure_typeOPEN
overall_height1.797 INCHES MAXIMUM IN
overall_length2.266 INCHES MAXIMUM IN
usage_locationEXHAUST PIPE
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresWEAPON SYSTEM ESSENTIAL
NSN2815-01-314-5710
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN 422943 MFR RING SET,PISTON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
43941Interchangeable
interchangeable cross-reference
interchangeable
254619146-272Interchangeable
interchangeable cross-reference
interchangeable
PEI8574Interchangeable
interchangeable cross-reference
interchangeable
MS20364-524CInterchangeable
interchangeable cross-reference
interchangeable
28664Interchangeable
interchangeable cross-reference
interchangeable
404 837Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 422943?
422943 is a RING SET,PISTON.
What parts can replace 422943?
There are 10 known substitutes for 422943: 43941, 254619146-272, PEI8574 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 422943?
422943 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-01-314-5710. 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