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280056 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

280056: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: STEEL OVERALL, inside_width: 0.500 INCHES NOMINAL IN, inside_length: 0.750 INCHES NOMINAL IN, overall_width: 1.125 INCHES NOMINAL IN, terminal_type: SCREW, inside_thickness: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-284-8353, 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
280056
NSN: 5977-00-284-8353
NIINs: 002848353, 005223229
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 08219 — STONE SAFETY CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
inside_width0.500 INCHES NOMINAL IN
inside_length0.750 INCHES NOMINAL IN
overall_width1.125 INCHES NOMINAL IN
terminal_typeSCREW
inside_thickness0.750 INCHES NOMINAL IN
style_designatorWING
mounting_facilityUNTHREADED HOLES
terminal_quantity4
brush_spring_adjustabilityADJUSTABLE
mounting_facility_quantity1
brush_quantity_accommodated_per_holder2
NSN5977-00-284-8353
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 280056 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: ADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 1
•
TERMINAL QUANTITY: 4
•
INSIDE WIDTH: 0.500 INCHES NOMINAL IN
•
TERMINAL TYPE: SCREW
•
INSIDE LENGTH: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: WING
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 2
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYADJUSTABLE
MOUNTING FACILITY QUANTITY1
TERMINAL QUANTITY4
INSIDE WIDTH0.500 INCHES NOMINAL IN
TERMINAL TYPESCREW
INSIDE LENGTH0.750 INCHES NOMINAL IN
STYLE DESIGNATORWING
BRUSH QUANTITY ACCOMMODATED PER HOLDER2
OVERALL WIDTH1.125 INCHES NOMINAL IN
BRUSH PRESSURE SPRING TYPE ACCOMMODATEDHELICAL TORSION
SUBSTITUTES & CROSS-REFERENCES 4
X100028PC113Reference document
Same NSN cross-reference
Reference document — Secondary reference
X100029PC113Reference document
Same NSN cross-reference
Reference document — Secondary reference
612129PC24Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
T102654PCALLReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 280056?
280056 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace 280056?
There are 4 known substitutes for 280056: X100028PC113, X100029PC113, 612129PC24 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 280056?
280056 is cataloged in the U.S. Government catalog under NSN 5977-00-284-8353. 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.