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PartsTable / COMPONENT / H-B-391 SZ2-1/2
H-B-391 SZ2-1/2 ✓ 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-391 SZ2-1/2 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 8020-00-245-4522, 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-391 SZ2-1/2
NSN: 8020-00-245-4522
FSC: 8020
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
Part NumberH-B-391 SZ2-1/2
NSN8020-00-245-4522
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available H-B-391 SZ2-1/2 TITLE COMPONENT PN H-B-391 SZ2-1/2 MFR H-B-391 SZ2-1/2
KEY FEATURES
•
BRUSH PART THICKNESS: 0.375 INCHES MINIMUM IN
•
BRUSH SHAPE: FLAT
•
BRUSH EDGE TYPE: CHISELED
•
BRUSH PART LENGTH: 1.250 INCHES MINIMUM IN
•
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
•
BRUSH PART WIDTH: 2.500 INCHES MINIMUM IN
•
BRUSH PART MATERIAL: HAIR
TECHNICAL CHARACTERISTICS (FLIS)
BRUSH PART THICKNESS0.375 INCHES MINIMUM IN
BRUSH SHAPEFLAT
BRUSH EDGE TYPECHISELED
BRUSH PART LENGTH1.250 INCHES MINIMUM IN
SPECIAL FEATURESMOTTLING TYPE; GOAT HAIR
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
BRUSH PART WIDTH2.500 INCHES MINIMUM IN
BRUSH PART MATERIALHAIR
BRUSH TYPEBRISTLES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
H-B-420 TY1GRBSZ4 IN.Interchangeable
interchangeable cross-reference
interchangeable
38B2650Interchangeable
interchangeable cross-reference
interchangeable
A-A-3192Interchangeable
interchangeable cross-reference
interchangeable
A-A-3193Interchangeable
interchangeable cross-reference
interchangeable
H-B-491 TY1CL1SZ10Interchangeable
interchangeable cross-reference
interchangeable
MS16866Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H-B-391 SZ2-1/2?
H-B-391 SZ2-1/2 is a H-B-391 SZ2-1/2.
What parts can replace H-B-391 SZ2-1/2?
There are 19 known substitutes for H-B-391 SZ2-1/2: H-B-420 TY1GRBSZ4 IN., 38B2650, A-A-3192 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H-B-391 SZ2-1/2?
H-B-391 SZ2-1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 8020-00-245-4522. 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