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190051 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

190051: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, inside_width: 1.250 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-284-7457, 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
190051
NSN: 5977-00-284-7457
NIINs: 002847457, 006374214, 007949164, 009837429, 015809957, 015848519, 016415307
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 63743 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
inside_width1.250 INCHES NOMINAL IN
thread_class3A A
head_diameter0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
inside_length1.125 INCHES NOMINAL IN
overall_width3.875 INCHES NOMINAL IN
terminal_typeSCREW
thread_length0.532 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
overall_length1.625 INCHES NOMINAL IN
fastener_length0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
NSN5977-00-284-7457
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 190051 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: ADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 2
•
TERMINAL QUANTITY: 2
•
INSIDE WIDTH: 1.250 INCHES NOMINAL IN
•
TERMINAL TYPE: SCREW
•
INSIDE LENGTH: 1.125 INCHES NOMINAL IN
•
OVERALL THICKNESS: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYADJUSTABLE
MOUNTING FACILITY QUANTITY2
TERMINAL QUANTITY2
INSIDE WIDTH1.250 INCHES NOMINAL IN
TERMINAL TYPESCREW
INSIDE LENGTH1.125 INCHES NOMINAL IN
OVERALL THICKNESS2.750 INCHES NOMINAL IN
OVERALL LENGTH1.625 INCHES NOMINAL IN
OVERALL WIDTH3.875 INCHES NOMINAL IN
BRUSH PRESSURE SPRING TYPE ACCOMMODATEDHELICAL TORSION
SUBSTITUTES & CROSS-REFERENCES 2
1746A1AReference document
Same NSN cross-reference
Reference document — Secondary reference
8882PC32Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 190051?
190051 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace 190051?
There are 2 known substitutes for 190051: 1746A1A, 8882PC32. Substitute compatibility should be verified for your specific system.
What is the NSN for 190051?
190051 is cataloged in the U.S. Government catalog under NSN 5977-00-284-7457. 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.