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401955 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

401955: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include shape: CYLINDRICAL, width: 0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN, length: 0.500 INCHES NOMINAL IN, radius: 0.375 INCHES NOMINAL IN, material: CARBON, thickness: 0.274 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-295-9925, 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
401955
NSN: 5977-00-295-9925
NIINs: 002959925, 005895205, 015164696
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 75263 — KEYSTONE CARBON CO INC (USA)
SPECIFICATIONS
shapeCYLINDRICAL
width0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
length0.500 INCHES NOMINAL IN
radius0.375 INCHES NOMINAL IN
materialCARBON
thickness0.274 INCHES MINIMUM AND 0.278 INCHES MAXIMUM IN
top_styleFLAT
body_styleRECTANGULAR COMMUTATOR
closure_typeCAP
capacity_rating4.0 MILLILITERS
style_designatorONE PIECE
brush_shunt_length1.750 INCHES MINIMUM AND 1.875 INCHES MAXIMUM SINGLE SHUNT IN
NSN5977-00-295-9925
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 401955 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.500 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
RADIUS: 0.375 INCHES NOMINAL IN
•
TERMINAL HOLE DIAMETER: 0.164 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
•
TOP STYLE: FLAT
•
SHUNT POSITION DESIGNATOR: 11
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: KEYSTONE CARBON CO,GRADE K1 MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LENGTH0.500 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
RADIUS0.375 INCHES NOMINAL IN
TERMINAL HOLE DIAMETER0.164 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
TOP STYLEFLAT
SHUNT POSITION DESIGNATOR11
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONKEYSTONE CARBON CO,GRADE K1 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH1.750 INCHES MINIMUM AND 1.875 INCHES MAXIMUM SINGLE SHUNT IN
CONTACT FACE STYLECONCAVE
SUBSTITUTES & CROSS-REFERENCES 2
23BV8240A31Reference document
Same NSN cross-reference
Reference document — Secondary reference
23BV8240I31Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401955?
401955 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 401955?
There are 2 known substitutes for 401955: 23BV8240A31, 23BV8240I31. Substitute compatibility should be verified for your specific system.
What is the NSN for 401955?
401955 is cataloged in the U.S. Government catalog under NSN 5977-00-295-9925. 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.