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Technical Data Sheet
PartsTable / COMPONENT / B21120-0180K
B21120-0180K ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PARTS KIT,SEAL REPLACEMENT,MECHA. Key specifications include document_type: MFR DRAWING, document_source: 14120, document_identification: 20123, component_document_origin: INDUSTRIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-354-5870, 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
B21120-0180K
NSN: 5330-01-354-5870
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
document_typeMFR DRAWING
document_source14120
component_quantity7
document_identification20123
component_document_originINDUSTRIAL
component_document_page_number1
NSN5330-01-354-5870
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B21120-0180K MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COMPONENT DOCUMENT PAGE NUMBER: 1
•
DOCUMENT TYPE: MFR DRAWING
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
DOCUMENT SOURCE: 14120
•
COMPONENT QUANTITY: 7
•
DOCUMENT IDENTIFICATION: 20123
TECHNICAL CHARACTERISTICS (FLIS)
COMPONENT DOCUMENT PAGE NUMBER1
DOCUMENT TYPEMFR DRAWING
COMPONENT DOCUMENT ORIGININDUSTRIAL
DOCUMENT SOURCE14120
COMPONENT QUANTITY7
DOCUMENT IDENTIFICATION20123
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
20123Interchangeable
interchangeable cross-reference
interchangeable
C12292Interchangeable
interchangeable cross-reference
interchangeable
2410 1-23/64Interchangeable
interchangeable cross-reference
interchangeable
110 1-23/64Interchangeable
interchangeable cross-reference
interchangeable
12508Interchangeable
interchangeable cross-reference
interchangeable
RT1120Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B21120-0180K?
B21120-0180K is a PARTS KIT,SEAL REPLACEMENT,MECHA.
What parts can replace B21120-0180K?
There are 16 known substitutes for B21120-0180K: 20123, C12292, 2410 1-23/64 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B21120-0180K?
B21120-0180K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-354-5870. 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