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Technical Data Sheet
NEMA CB 1-1956 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include angle: 40.0 DEGREES NOMINAL, width: 1.235 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, length: 1.218 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN, material: ELECTROGRAPHITIC, thickness: 0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, top_style: BEVELED FRONT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-239-4090, 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
NEMA CB 1-1956
NSN: 5977-00-239-4090
FSC: 5977
CAGE: 81705 — NATIONAL ELECTRICAL MFRS ASSN (USA)
SPECIFICATIONS
angle40.0 DEGREES NOMINAL
width1.235 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
length1.218 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN
materialELECTROGRAPHITIC
thickness0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
top_styleBEVELED FRONT
body_styleRECTANGULAR COMMUTATOR
bevel_angle20.0 DEGREES NOMINAL
style_designatorONE PIECE
brush_shunt_length2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM SINGLE SHUNT IN
contact_face_styleBEVELED
terminal_bend_angle45.0 DEGREES NOMINAL
NSN5977-00-239-4090
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN NEMA CB 1-1956 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
LENGTH: 1.375 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY: 1 STRAIGHT W/SLOT
SHUNT INSULATION PROVISION AND QUANTITY: 1 UNINSULATED
CONTACT FACE STYLE: FLAT
TOP STYLE: FLAT
MATERIAL: ELECTROGRAPHITIC
SHUNT POSITION DESIGNATOR: 2
MATERIAL DOCUMENT AND CLASSIFICATION: MORGANITE INC GRADE EG14 MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH1.375 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY1 STRAIGHT W/SLOT
SHUNT INSULATION PROVISION AND QUANTITY1 UNINSULATED
CONTACT FACE STYLEFLAT
TOP STYLEFLAT
MATERIALELECTROGRAPHITIC
SHUNT POSITION DESIGNATOR2
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE INC GRADE EG14 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH3.000 INCHES MINIMUM AND 3.250 INCHES MAXIMUM SINGLE SHUNT IN
WIDTH0.985 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
10632Interchangeable
interchangeable cross-reference
interchangeable
CE1258Interchangeable
interchangeable cross-reference
interchangeable
1258Interchangeable
interchangeable cross-reference
interchangeable
1952Interchangeable
interchangeable cross-reference
interchangeable
700088Interchangeable
interchangeable cross-reference
interchangeable
2868541-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NEMA CB 1-1956?
NEMA CB 1-1956 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace NEMA CB 1-1956?
There are 23 known substitutes for NEMA CB 1-1956: 10632, CE1258, 1258 and 20 more. Substitute compatibility should be verified for your specific system.
Is NEMA CB 1-1956 still available?
NEMA CB 1-1956 is currently cancelled.
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