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NEMA PUB CB1 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

NEMA PUB CB1: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include angle: 30.0 DEGREES NOMINAL, width: 1.250 INCHES NOMINAL IN, length: 2.000 INCHES NOMINAL IN, radius: 3.563 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, clip_type: NEMA HAMMER TYPE EXTENDED A. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-033-5756, 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 PUB CB1
NSN: 5977-00-033-5756
NIINs: 000335756, 001165564, 001996123, 002306006, 002394053, 002394056, 002394134, 002394164, 002394170, 002396519, 002397058, 002397068, 002475356, 002806765, 002808404, 002808433, 002808446, 002808461, 002809026, 002809056, 002846323, 003612099, 003794504, 003833354, 003860844, 003870036, 003880577, 004009361, 004224640, 005384263, 005396888, 005490019, 005576055, 005787885, 006443191, 006443260, 006653928, 006653929, 006699708, 007521571, 007522021, 007522555, 008801267, 009261357, 009941191
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 1P787 — NATIONAL ELECTRICAL MFRS ASSN DBA NEMA (USA)
SPECIFICATIONS
angle30.0 DEGREES NOMINAL
width1.250 INCHES NOMINAL IN
length2.000 INCHES NOMINAL IN
radius3.563 INCHES NOMINAL IN
materialELECTROGRAPHITIC
clip_typeNEMA HAMMER TYPE EXTENDED A
thickness0.500 INCHES NOMINAL IN
top_styleBEVELED FRONT
body_styleRECTANGULAR COMMUTATOR
slot_depth0.094 INCHES NOMINAL IN
slot_width0.313 INCHES NOMINAL IN
bevel_angle15.0 DEGREES NOMINAL
NSN5977-00-033-5756
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN NEMA PUB CB1 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
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LENGTH: 1.250 INCHES NOMINAL IN
•
PERIPHERAL SPEED: 7000 FEET PER MINUTE FT
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
TERMINAL HOLE DIAMETER: 0.687 INCHES NOMINAL IN
•
TOP STYLE: BEVELED FRONT WITH LEFT SHOULDER
•
SHUNT POSITION DESIGNATOR: 12
•
STYLE DESIGNATOR: ONE PIECE
•
MATERIAL DOCUMENT AND CLASSIFICATION: NATIONAL GRADE SA35 MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LENGTH1.250 INCHES NOMINAL IN
PERIPHERAL SPEED7000 FEET PER MINUTE FT
BODY STYLERECTANGULAR COMMUTATOR
TERMINAL HOLE DIAMETER0.687 INCHES NOMINAL IN
TOP STYLEBEVELED FRONT WITH LEFT SHOULDER
SHUNT POSITION DESIGNATOR12
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE SA35 MFR REF SINGLE MATERIAL RESPONSE
ANGLE40.0 DEGREES NOMINAL
BRUSH SHUNT LENGTH3.000 INCHES NOMINAL SINGLE SHUNT 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 6
S1123240N803Reference document
Same NSN cross-reference
Reference document — Secondary reference
SP50398Reference document
Same NSN cross-reference
Reference document — Secondary reference
D38606PC38Reference document
Same NSN cross-reference
Reference document — Secondary reference
D63-982-1PC48Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D63-982-3PC46Reference document
Same NSN cross-reference
Reference document — Secondary reference
RC12-3204Reference 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 NEMA PUB CB1?
NEMA PUB CB1 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace NEMA PUB CB1?
There are 6 known substitutes for NEMA PUB CB1: S1123240N803, SP50398, D38606PC38 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NEMA PUB CB1?
NEMA PUB CB1 is cataloged in the U.S. Government catalog under NSN 5977-00-033-5756. 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.