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UEC9857 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

UEC9857: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.510 INCHES NOMINAL IN, length: 1.180 INCHES NOMINAL IN, material: SILVER AND GRAPHITE, thickness: 0.150 INCHES NOMINAL IN, top_style: FLAT WITH FRONT EDGE BEVELED, body_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5977-01-101-9857, 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
UEC9857
NSN: 5977-01-101-9857
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 25025 — UNITED EQUIPMENT, INC (USA)
SPECIFICATIONS
width0.510 INCHES NOMINAL IN
length1.180 INCHES NOMINAL IN
materialSILVER AND GRAPHITE
thickness0.150 INCHES NOMINAL IN
top_styleFLAT WITH FRONT EDGE BEVELED
body_styleRECTANGULAR
bevel_angle15.0 DEGREES NOMINAL
bevel_length0.310 INCHES NOMINAL IN
undercut_depth0.095 INCHES NOMINAL IN
style_designatorONE PIECE
basic_shape_styleRECTANGULAR UNDERCUT IN RIGHT SIDE
brush_shunt_length0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM SINGLE SHUNT IN
NSN5977-01-101-9857
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN UEC9857 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 1.180 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR
•
TOP STYLE: FLAT WITH FRONT EDGE BEVELED
•
SHUNT POSITION DESIGNATOR: 8
•
DISTANCE FROM BODY TOP TO UNDERCUT: 0.435 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ONE PIECE
•
UNDERCUT DEPTH: 0.095 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: RECTANGULAR UNDERCUT IN RIGHT SIDE
TECHNICAL CHARACTERISTICS
LENGTH1.180 INCHES NOMINAL IN
BODY STYLERECTANGULAR
TOP STYLEFLAT WITH FRONT EDGE BEVELED
SHUNT POSITION DESIGNATOR8
DISTANCE FROM BODY TOP TO UNDERCUT0.435 INCHES NOMINAL IN
STYLE DESIGNATORONE PIECE
UNDERCUT DEPTH0.095 INCHES NOMINAL IN
BASIC SHAPE STYLERECTANGULAR UNDERCUT IN RIGHT SIDE
BRUSH SHUNT LENGTH0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM SINGLE SHUNT IN
CONTACT FACE STYLEBEVELED
SUBSTITUTES & CROSS-REFERENCES 3
301835Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
301835JASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
287511Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is UEC9857?
UEC9857 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace UEC9857?
There are 3 known substitutes for UEC9857: 301835, 301835JA, 287511. Substitute compatibility should be verified for your specific system.
What is the NSN for UEC9857?
UEC9857 is cataloged in the U.S. Government catalog under NSN 5977-01-101-9857. 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.