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S1552276 — HOLDER,ELECTRICAL CONTACT BRUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S1552276: HOLDER,ELECTRICAL CONTACT BRUSH.

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include material: STEEL BOX SUPPORTING, inside_width: 1.256 INCHES NOMINAL IN, inside_length: 1.250 INCHES NOMINAL IN, overall_width: 1.562 INCHES NOMINAL IN, terminal_type: SCREW, overall_length: 2.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-238-7285, 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
S1552276
NSN: 5977-00-238-7285
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 03486 — HOMEWOOD PRODUCTS CORP (USA)
SPECIFICATIONS
materialSTEEL BOX SUPPORTING
inside_width1.256 INCHES NOMINAL IN
inside_length1.250 INCHES NOMINAL IN
overall_width1.562 INCHES NOMINAL IN
terminal_typeSCREW
overall_length2.688 INCHES NOMINAL IN
inside_thickness0.752 INCHES NOMINAL IN
mounting_facilityCLAMP
overall_thickness5.375 INCHES NOMINAL IN
terminal_quantity1
brush_spring_adjustabilityADJUSTABLE
mounting_facility_quantity1
NSN5977-00-238-7285
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN S1552276 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
BRUSH SPRING ADJUSTABILITY: ADJUSTABLE
•
MOUNTING FACILITY QUANTITY: 1
•
TERMINAL QUANTITY: 1
•
INSIDE WIDTH: 1.256 INCHES NOMINAL IN
•
TERMINAL TYPE: SCREW
•
INSIDE LENGTH: 1.250 INCHES NOMINAL IN
•
OVERALL THICKNESS: 5.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BRUSH SPRING ADJUSTABILITYADJUSTABLE
MOUNTING FACILITY QUANTITY1
TERMINAL QUANTITY1
INSIDE WIDTH1.256 INCHES NOMINAL IN
TERMINAL TYPESCREW
INSIDE LENGTH1.250 INCHES NOMINAL IN
OVERALL THICKNESS5.375 INCHES NOMINAL IN
OVERALL LENGTH2.688 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER1
OVERALL WIDTH1.562 INCHES NOMINAL IN
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 2
47J621PC34Reference document
Same NSN cross-reference
Reference document — Secondary reference
33J167ITEM4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S1552276?
S1552276 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace S1552276?
There are 2 known substitutes for S1552276: 47J621PC34, 33J167ITEM4. Substitute compatibility should be verified for your specific system.
What is the NSN for S1552276?
S1552276 is cataloged in the U.S. Government catalog under NSN 5977-00-238-7285. 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.