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Technical Data Sheet
PartsTable / COMPONENT / QC56B
QC56B ✓ 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 GASKET,MANIFOLD is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-399-7023, 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
QC56B
NSN: 5330-00-399-7023
FSC: 5330
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
Part NumberQC56B
NSN5330-00-399-7023
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QC56B 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 17
09762-1Interchangeable
interchangeable cross-reference
interchangeable
CF-SP-80392/XF501015(316)Interchangeable
interchangeable cross-reference
interchangeable
09762-C-PInterchangeable
interchangeable cross-reference
interchangeable
FN485AInterchangeable
interchangeable cross-reference
interchangeable
16927-2Interchangeable
interchangeable cross-reference
interchangeable
FN485Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QC56B?
QC56B is a GASKET,MANIFOLD.
What parts can replace QC56B?
There are 17 known substitutes for QC56B: 09762-1, CF-SP-80392/XF501015(316), 09762-C-P and 14 more. Substitute compatibility should be verified for your specific system.
Is QC56B still available?
QC56B 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