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01-21688-E — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

01-21688-E: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.500 INCHES NOMINAL IN, length: 0.812 INCHES NOMINAL IN, radius: 0.625 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.250 INCHES NOMINAL IN, top_style: CYLINDRICAL HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-038-0748, 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
01-21688-E
NSN: 5977-00-038-0748
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 76468 — MORGANITE INC (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
length0.812 INCHES NOMINAL IN
radius0.625 INCHES NOMINAL IN
materialELECTROGRAPHITIC
thickness0.250 INCHES NOMINAL IN
top_styleCYLINDRICAL HEAD
body_styleRECTANGULAR COMMUTATOR
head_length0.062 INCHES NOMINAL IN
head_diameter0.348 INCHES NOMINAL IN
peripheral_speed5000 FEET PER MINUTE FT
style_designatorONE PIECE
terminal_diameter0.348 INCHES NOMINAL IN
NSN5977-00-038-0748
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 01-21688-E MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 0.812 INCHES NOMINAL IN
•
PERIPHERAL SPEED: 5000 FEET PER MINUTE FT
•
TERMINAL DIAMETER: 0.348 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
RADIUS: 0.625 INCHES NOMINAL IN
•
TOP STYLE: CYLINDRICAL HEAD
•
SHUNT POSITION DESIGNATOR: 5
•
STYLE DESIGNATOR: ONE PIECE
TECHNICAL CHARACTERISTICS
LENGTH0.812 INCHES NOMINAL IN
PERIPHERAL SPEED5000 FEET PER MINUTE FT
TERMINAL DIAMETER0.348 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
RADIUS0.625 INCHES NOMINAL IN
TOP STYLECYLINDRICAL HEAD
SHUNT POSITION DESIGNATOR5
STYLE DESIGNATORONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE INC,GRADE EG8101 MFR REF SINGLE MATERIAL RESPONSE
SPRING FREE LENGTH1.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
01-22409FReference document
Same NSN cross-reference
Reference document — Secondary reference
843996Reference document
Same NSN cross-reference
Reference document — Secondary reference
01-00919EReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 01-21688-E?
01-21688-E is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 01-21688-E?
There are 3 known substitutes for 01-21688-E: 01-22409F, 843996, 01-00919E. Substitute compatibility should be verified for your specific system.
What is the NSN for 01-21688-E?
01-21688-E is cataloged in the U.S. Government catalog under NSN 5977-00-038-0748. 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.