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PartsTable / COMPONENT / H-B-420 TY1GRBSZ4 IN.
H-B-420 TY1GRBSZ4 IN. ✓ 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 H-B-420 TY1GRBSZ4 IN. is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 8020-00-178-8305, 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
H-B-420 TY1GRBSZ4 IN.
NSN: 8020-00-178-8305
FSC: 8020
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
Part NumberH-B-420 TY1GRBSZ4 IN.
NSN8020-00-178-8305
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available H-B-420 TY1GRBSZ4 IN. TITLE COMPONENT PN H-B-420 TY1GRBSZ4 IN. MFR H-B-420 TY1GRBSZ4 IN.
KEY FEATURES
•
BRUSH PART LENGTH: 3.437 INCHES NOMINAL IN
•
BRUSH EDGE TYPE: FLAT
•
BRUSH TYPE: BRISTLES
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND B GRADE AND 4 IN. SIZE IN
•
BRUSH SHAPE: FLAT
•
BRUSH PART THICKNESS: 0.875 INCHES NOMINAL IN
•
BRUSH PART WIDTH: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BRUSH PART LENGTH3.437 INCHES NOMINAL IN
BRUSH EDGE TYPEFLAT
SPECIAL FEATURESMEDIUM GRADE; HOG HAIR; FOR PAINTING SASH AND TRIM
BRUSH TYPEBRISTLES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B GRADE AND 4 IN. SIZE IN
BRUSH SHAPEFLAT
BRUSH PART THICKNESS0.875 INCHES NOMINAL IN
BRUSH PART WIDTH4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A-A-3193Interchangeable
interchangeable cross-reference
interchangeable
H-B-491 TY1CL1SZ10Interchangeable
interchangeable cross-reference
interchangeable
MS16866Interchangeable
interchangeable cross-reference
interchangeable
A-A-3192 TY1GRBSZ3 IN.Interchangeable
interchangeable cross-reference
interchangeable
H-B-420Interchangeable
interchangeable cross-reference
interchangeable
8020-00-245-4509Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-B-420 TY1GRBSZ4 IN.?
H-B-420 TY1GRBSZ4 IN. is a H-B-420 TY1GRBSZ4 IN..
What parts can replace H-B-420 TY1GRBSZ4 IN.?
There are 20 known substitutes for H-B-420 TY1GRBSZ4 IN.: A-A-3193, H-B-491 TY1CL1SZ10, MS16866 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H-B-420 TY1GRBSZ4 IN.?
H-B-420 TY1GRBSZ4 IN. is cataloged in the Federal Logistics Information System (FLIS) under NSN 8020-00-178-8305. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026