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PartsTable / COMPONENT / H-B-643 TY1CL1
H-B-643 TY1CL1 ✓ 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,ACID SWABBING is a the manufacturer industrial component. Key specifications include diameter: 0.438 INCHES NOMINAL IN, overall_length: 8.250 INCHES NOMINAL IN, special_features: HANDLE MADE FROM 0.052-INCH DIAMETER CORROSION RESISTANT STEEL WIRE; LOOPED END HANDLE, style_designator: ROUND, TWISTED-IN-WIRE, brush_part_length: 2.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7920-00-543-7728, 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-643 TY1CL1
NSN: 7920-00-543-7728
FSC: 7920
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
diameter0.438 INCHES NOMINAL IN
overall_length8.250 INCHES NOMINAL IN
special_featuresHANDLE MADE FROM 0.052-INCH DIAMETER CORROSION RESISTANT STEEL WIRE; LOOPED END HANDLE
style_designatorROUND, TWISTED-IN-WIRE
brush_part_length2.875 INCHES NOMINAL IN
NSN7920-00-543-7728
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ACID SWABBING TITLE COMPONENT PN H-B-643 TY1CL1 MFR BRUSH,ACID SWABBING
KEY FEATURES
•
STYLE DESIGNATOR: ROUND, TWISTED-IN-WIRE
•
BRUSH PART LENGTH: 2.875 INCHES NOMINAL IN
•
DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORROUND, TWISTED-IN-WIRE
BRUSH PART LENGTH2.875 INCHES NOMINAL IN
SPECIAL FEATURESHANDLE MADE FROM 0.052-INCH DIAMETER CORROSION RESISTANT STEEL WIRE; LOOPED END HANDLE
OVERALL LENGTH8.250 INCHES NOMINAL IN
DIAMETER0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
H-B-643 TY2CL1Interchangeable
interchangeable cross-reference
interchangeable
2108025Interchangeable
interchangeable cross-reference
interchangeable
CFA105Interchangeable
interchangeable cross-reference
interchangeable
803-12Interchangeable
interchangeable cross-reference
interchangeable
44090Interchangeable
interchangeable cross-reference
interchangeable
0733A0003-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-B-643 TY1CL1?
H-B-643 TY1CL1 is a BRUSH,ACID SWABBING.
What parts can replace H-B-643 TY1CL1?
There are 9 known substitutes for H-B-643 TY1CL1: H-B-643 TY2CL1, 2108025, CFA105 and 6 more. Substitute compatibility should be verified for your specific system.
Is H-B-643 TY1CL1 still available?
H-B-643 TY1CL1 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