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PartsTable / COMPONENT / R22-121
R22-121 ✓ 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 BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 1.000 INCHES NOMINAL IN, length: 1.375 INCHES NOMINAL IN, material: GRAPHITE, top_style: FLAT, body_style: WEDGE-SHAPE COMMUTATOR, major_thickness: 0.266 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 5977-00-553-7341, 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
R22-121
NSN: 5977-00-553-7341
FSC: 5977
CAGE: 46175 — PEERLESS-WINSMITH, INC. DBA PEERLESS WINSMITH (USA)
SPECIFICATIONS
width1.000 INCHES NOMINAL IN
length1.375 INCHES NOMINAL IN
materialGRAPHITE
top_styleFLAT
body_styleWEDGE-SHAPE COMMUTATOR
major_thickness0.266 INCHES NOMINAL IN
minor_thickness0.156 INCHES NOMINAL IN
peripheral_speed3500 FEET PER MINUTE FT
special_featuresCORNER RADIUS ON WIDE SIDE OF BRUSH 0.063 IN. PLATED STARTING 0.375 IN. FROM CONTACT FACE IN
style_designatorONE PIECE
brush_shunt_length4.125 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleFLAT
NSN5977-00-553-7341
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN R22-121 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
SHUNT POSITION DESIGNATOR: 8
•
BODY STYLE: WEDGE-SHAPE COMMUTATOR
•
WIDTH: 1.000 INCHES NOMINAL IN
•
TOP STYLE: FLAT
•
BRUSH SHUNT LENGTH: 4.125 INCHES NOMINAL SINGLE SHUNT IN
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL: GRAPHITE
TECHNICAL CHARACTERISTICS (FLIS)
SHUNT POSITION DESIGNATOR8
BODY STYLEWEDGE-SHAPE COMMUTATOR
WIDTH1.000 INCHES NOMINAL IN
TOP STYLEFLAT
BRUSH SHUNT LENGTH4.125 INCHES NOMINAL SINGLE SHUNT IN
STYLE DESIGNATORONE PIECE
MATERIALGRAPHITE
SPECIAL FEATURESCORNER RADIUS ON WIDE SIDE OF BRUSH 0.063 IN. PLATED STARTING 0.375 IN. FROM CONTACT FACE IN
CONTACT FACE STYLEFLAT
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A49-22Interchangeable
interchangeable cross-reference
interchangeable
145F-6-6Interchangeable
interchangeable cross-reference
interchangeable
645-F-06X06Interchangeable
interchangeable cross-reference
interchangeable
JN14-1600BInterchangeable
interchangeable cross-reference
interchangeable
FA7349Interchangeable
interchangeable cross-reference
interchangeable
NEMAPUBCB1-1961Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R22-121?
R22-121 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace R22-121?
There are 7 known substitutes for R22-121: A49-22, 145F-6-6, 645-F-06X06 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R22-121?
R22-121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-553-7341. 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