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RB1918A2 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

RB1918A2: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.302 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, length: 0.625 INCHES NOMINAL IN, material: GRAPHITE, thickness: 0.183 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, body_style: RECTANGULAR COMMUTATOR, special_features: POLARITY MARED WITH PLUS SYMBOL. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-178-8133, 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
RB1918A2
NSN: 5977-00-178-8133
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 64547 — HONEYWELL INTERNATIONAL, INC DIV AEROSPACE-TUCSON (USA)
SPECIFICATIONS
width0.302 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
length0.625 INCHES NOMINAL IN
materialGRAPHITE
thickness0.183 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
body_styleRECTANGULAR COMMUTATOR
special_featuresPOLARITY MARED WITH PLUS SYMBOL
style_designatorONE PIECE
brush_shunt_length1.094 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleFLAT
spring_free_length2.719 INCHES NOMINAL IN
largest_outside_diameter0.225 INCHES NOMINAL IN
shunt_position_designator5
NSN5977-00-178-8133
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN RB1918A2 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.625 INCHES NOMINAL IN
•
LARGEST OUTSIDE DIAMETER: 0.225 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MORGANITE INC,GR H-6782 MFR REF SINGLE MATERIAL RESPONSE
•
SPRING FREE LENGTH: 2.719 INCHES NOMINAL IN
•
PRESSURE SPRING TYPE AND QUANTITY: 1 CYLINDRICAL
TECHNICAL CHARACTERISTICS
LENGTH0.625 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.225 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE INC,GR H-6782 MFR REF SINGLE MATERIAL RESPONSE
SPRING FREE LENGTH2.719 INCHES NOMINAL IN
PRESSURE SPRING TYPE AND QUANTITY1 CYLINDRICAL
BRUSH SHUNT LENGTH1.094 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLEFLAT
OTHER ITEMS IN FSC 5977 — Electrical Contact Brushes and Electrodes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5977-00-001-8018 5977-00-001-8867 5977-00-002-9654 5977-00-003-0257 5977-00-003-0258 5977-00-003-0264 5977-00-003-1196 5977-00-003-1197
SUBSTITUTES & CROSS-REFERENCES 7
213G280R213G29Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
213G28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RB1918A1Reference document
Same NSN cross-reference
Reference document — Secondary reference
213GP29Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A65560RA6556-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
213GP28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RB1918A2?
RB1918A2 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace RB1918A2?
There are 7 known substitutes for RB1918A2: 213G280R213G29, 213G28, RB1918A1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RB1918A2?
RB1918A2 is cataloged in the U.S. Government catalog under NSN 5977-00-178-8133. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.