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M427877-17 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M427877-17: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include inside_width: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, inside_length: 1.609 INCHES NOMINAL IN, thread_length: 0.234 INCHES NOMINAL IN, overall_length: 2.094 INCHES NOMINAL IN, inside_thickness: 0.378 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, overall_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-295-9766, 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
M427877-17
NSN: 5977-00-295-9766
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 49675 — RCA CORP GOVERNMENT AND COMMERCIAL SYSTEMS COMMERCIAL COMMICATIONS SYSTEMS DIV (USA)
SPECIFICATIONS
inside_width0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
inside_length1.609 INCHES NOMINAL IN
thread_length0.234 INCHES NOMINAL IN
overall_length2.094 INCHES NOMINAL IN
inside_thickness0.378 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
overall_diameter1.000 INCHES NOMINAL IN
style_designatorROUND
mounting_facilityPRESS FIT
top_thread_locationINTERNAL
mounting_facility_quantity1
brush_quantity_accommodated_per_holder1
thread_size_and_series/type_designator0.562-32 UN
NSN5977-00-295-9766
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN M427877-17 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 1
•
INSIDE WIDTH: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
INSIDE LENGTH: 1.609 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.000 INCHES NOMINAL IN
•
TOP THREAD LOCATION: INTERNAL
•
THREAD LENGTH: 0.234 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY1
INSIDE WIDTH0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
INSIDE LENGTH1.609 INCHES NOMINAL IN
OVERALL DIAMETER1.000 INCHES NOMINAL IN
TOP THREAD LOCATIONINTERNAL
THREAD LENGTH0.234 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OVERALL LENGTH2.094 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER1
MOUNTING FACILITYPRESS FIT
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M427877-17?
M427877-17 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What is the NSN for M427877-17?
M427877-17 is cataloged in the U.S. Government catalog under NSN 5977-00-295-9766. 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.