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RW-522 ✓ 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 REDUCING WASHER,KNOCKOUT is a the manufacturer industrial component. Key specifications include material: STEEL, design_type: FLAT, conduit_size_accommodated: 1.500 INCHES NOMINAL IN, knockout_size_for_which_designed: 2.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-280-9183, 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
RW-522
NSN: 5975-00-280-9183
FSC: 5975
CAGE: 24381 — NEER MFG CO INC (USA)
SPECIFICATIONS
materialSTEEL
design_typeFLAT
conduit_size_accommodated1.500 INCHES NOMINAL IN
knockout_size_for_which_designed2.500 INCHES NOMINAL IN
NSN5975-00-280-9183
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REDUCING WASHER,KNOCKOUT TITLE COMPONENT PN RW-522 MFR REDUCING WASHER,KNOCKO
KEY FEATURES
•
MATERIAL: STEEL
•
DESIGN TYPE: FLAT
•
CONDUIT SIZE ACCOMMODATED: 1.500 INCHES NOMINAL IN
•
KNOCKOUT SIZE FOR WHICH DESIGNED: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
DESIGN TYPEFLAT
CONDUIT SIZE ACCOMMODATED1.500 INCHES NOMINAL IN
KNOCKOUT SIZE FOR WHICH DESIGNED2.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
13419Interchangeable
interchangeable cross-reference
interchangeable
C6DZ1177AInterchangeable
interchangeable cross-reference
interchangeable
9161Interchangeable
interchangeable cross-reference
interchangeable
RW75-50Interchangeable
interchangeable cross-reference
interchangeable
342Interchangeable
interchangeable cross-reference
interchangeable
RW2-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RW-522?
RW-522 is a REDUCING WASHER,KNOCKOUT.
What parts can replace RW-522?
There are 12 known substitutes for RW-522: 13419, C6DZ1177A, 9161 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RW-522?
RW-522 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-280-9183. 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