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PartsTable / COMPONENT / T4-3820-HB
T4-3820-HB ✓ 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 PENCIL is a the manufacturer industrial component. Key specifications include lead_size: THIN, special_features: W/ERASER, marking_medium_type: NONINDELIBLE GRAPHITE LEAD, hardness_designation: HB, lead_cross-sectional_shape: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7510-00-189-7878, 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
T4-3820-HB
NSN: 7510-00-189-7878
FSC: 7510
CAGE: 32988 — FABER CASTELL CORP (USA)
SPECIFICATIONS
lead_sizeTHIN
special_featuresW/ERASER
marking_medium_typeNONINDELIBLE GRAPHITE LEAD
hardness_designationHB
lead_cross-sectional_shapeROUND
NSN7510-00-189-7878
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PENCIL TITLE COMPONENT PN T4-3820-HB MFR PENCIL
KEY FEATURES
•
HARDNESS DESIGNATION: HB
•
MARKING MEDIUM TYPE: NONINDELIBLE GRAPHITE LEAD
•
LEAD SIZE: THIN
•
LEAD CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS DESIGNATIONHB
MARKING MEDIUM TYPENONINDELIBLE GRAPHITE LEAD
LEAD SIZETHIN
SPECIAL FEATURESW/ERASER
LEAD CROSS-SECTIONAL SHAPEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A-A-976Interchangeable
interchangeable cross-reference
interchangeable
1653T22Interchangeable
interchangeable cross-reference
interchangeable
58-0394-3HInterchangeable
interchangeable cross-reference
interchangeable
FA1900.5HInterchangeable
interchangeable cross-reference
interchangeable
13883Interchangeable
interchangeable cross-reference
interchangeable
N458R26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T4-3820-HB?
T4-3820-HB is a PENCIL.
What parts can replace T4-3820-HB?
There are 20 known substitutes for T4-3820-HB: A-A-976, 1653T22, 58-0394-3H and 17 more. Substitute compatibility should be verified for your specific system.
Is T4-3820-HB still available?
T4-3820-HB is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026