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HB421 ✓ 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,FILE CLEANER is a the manufacturer industrial component. Key specifications include overall_width: 2.0 INCHES NOMINAL IN, overall_height: 1.375 INCHES NOMINAL IN, overall_length: 8.50 INCHES NOMINAL IN, environmental_attribute_code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7920-00-224-7987, 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
HB421
NSN: 7920-00-224-7987
FSC: 7920
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
overall_width2.0 INCHES NOMINAL IN
overall_height1.375 INCHES NOMINAL IN
overall_length8.50 INCHES NOMINAL IN
environmental_attribute_codePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
NSN7920-00-224-7987
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,FILE CLEANER TITLE COMPONENT PN HB421 MFR BRUSH,FILE CLEANER
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRUSH WITH ONE SIDE CARDED AND ONE SIDE BRISTLED; STEEL CARD WIRE AND NYLON, POLYPROPYLENE OR TAMPICO BRISTLES; BRISTLE TRIM LENGTH 0.625 INCH; CARD TRIM LENGTH 0.25 INCH; BRUSH LENGTH 4.50 INCH MINIMUM; CARD LENGTH 4.25 INCH MINIMUM IN
•
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRUSH WITH ONE SIDE CARDED AND ONE SIDE BRISTLED; STEEL CARD WIRE AND NYLON, POLYPROPYLENE OR TAMPICO BRISTLES; BRISTLE TRIM LENGTH 0.625 INCH; CARD TRIM LENGTH 0.25 INCH; BRUSH LENGTH 4.50 INCH MINIMUM; CARD LENGTH 4.25 INCH MINIMUM IN
OVERALL WIDTH2.0 INCHES NOMINAL IN
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
OVERALL HEIGHT1.375 INCHES NOMINAL IN
OVERALL LENGTH8.50 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
431-3Interchangeable
interchangeable cross-reference
interchangeable
820D330Interchangeable
interchangeable cross-reference
interchangeable
1GInterchangeable
interchangeable cross-reference
interchangeable
11241418-1Interchangeable
interchangeable cross-reference
interchangeable
FAS7-1Interchangeable
interchangeable cross-reference
interchangeable
5325002629127Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HB421?
HB421 is a BRUSH,FILE CLEANER.
What parts can replace HB421?
There are 19 known substitutes for HB421: 431-3, 820D330, 1G and 16 more. Substitute compatibility should be verified for your specific system.
Is HB421 still available?
HB421 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