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Technical Data Sheet
PartsTable / COMPONENT / SB-56
SB-56 ✓ 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

The RIVET,BLIND 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 5340-00-680-3882, 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
SB-56
NSN: 5340-00-680-3882
FSC: 5340
CAGE: 14242 — VOSS INDUSTRIES, LLC (USA)
SPECIFICATIONS
Part NumberSB-56
NSN5340-00-680-3882
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SB-56 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
B-56Upgraded Successor
successor cross-reference
successor
BP56Interchangeable
interchangeable cross-reference
interchangeable
B56.0Interchangeable
interchangeable cross-reference
interchangeable
SZA124-001Interchangeable
interchangeable cross-reference
interchangeable
58A30D54-1Interchangeable
interchangeable cross-reference
interchangeable
SS56Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SB-56?
SB-56 is a RIVET,BLIND.
What parts can replace SB-56?
There are 15 known substitutes for SB-56: B-56, BP56, B56.0 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SB-56?
SB-56 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-680-3882. 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