PartsTable
Technical Data Sheet
Download PDF

RC28-4008 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

RC28-4008: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 1.250 INCHES NOMINAL IN, length: 2.250 INCHES NOMINAL IN, material: METAL GRAPHITE, thickness: 0.875 INCHES NOMINAL IN, top_style: FLAT, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-644-3191, 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
RC28-4008
NSN: 5977-00-644-3191
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 0AHP6 — NATIONAL ELECTRICAL CARBON PRODUCTS, INC. DIV ELECTRICAL (USA)
SPECIFICATIONS
width1.250 INCHES NOMINAL IN
length2.250 INCHES NOMINAL IN
materialMETAL GRAPHITE
thickness0.875 INCHES NOMINAL IN
top_styleFLAT
body_styleRECTANGULAR COMMUTATOR
bevel_angle24.0 DEGREES NOMINAL
style_designatorONE PIECE
brush_shunt_length4.500 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleBEVELED
terminal_slot_width0.219 INCHES NOMINAL IN
shunt_position_designator8
NSN5977-00-644-3191
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN RC28-4008 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 2.250 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
TERMINAL SLOT WIDTH: 0.219 INCHES NOMINAL IN
•
TOP STYLE: FLAT
•
SHUNT POSITION DESIGNATOR: 8
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNION CARBIDE CORP,GRADE 549 MFR REF SINGLE MATERIAL RESPONSE
•
BRUSH SHUNT LENGTH: 4.500 INCHES NOMINAL SINGLE SHUNT IN
TECHNICAL CHARACTERISTICS
LENGTH2.250 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
TERMINAL SLOT WIDTH0.219 INCHES NOMINAL IN
TOP STYLEFLAT
SHUNT POSITION DESIGNATOR8
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONUNION CARBIDE CORP,GRADE 549 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH4.500 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLEBEVELED
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
SUBSTITUTES & CROSS-REFERENCES 4
61041129Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILB3743Reference document
Same NSN cross-reference
Reference document — Identification reference
33640Reference document
Same NSN cross-reference
Reference document — Secondary reference
NEMA PUB CB1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy RC28-4008?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is RC28-4008?
RC28-4008 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace RC28-4008?
There are 4 known substitutes for RC28-4008: 61041129, MILB3743, 33640 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RC28-4008?
RC28-4008 is cataloged in the U.S. Government catalog under NSN 5977-00-644-3191. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — RC28-4008

✓ 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.