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Technical Data Sheet
QQ-C-576B ✓ 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 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, outside_diameter: 5.290 INCHES MINIMUM AND 5.295 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 5.045 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN, cross-sectional_thickness: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, cross-sectional_shape_style: RECTANGULAR METAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-8058, 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
QQ-C-576B
NSN: 5330-00-171-8058
FSC: 5330
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
outside_diameter5.290 INCHES MINIMUM AND 5.295 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter5.045 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
cross-sectional_thickness0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
cross-sectional_shape_styleRECTANGULAR METAL
material_document_and_classificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-171-8058
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QQ-C-576B 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
OUTSIDE DIAMETER: 0.890 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
APERTURE DIAMETER: 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.890 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
APERTURE DIAMETER0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
QQ-C-576BInterchangeable
interchangeable cross-reference
interchangeable
102-183P19Interchangeable
interchangeable cross-reference
interchangeable
GKT613Interchangeable
interchangeable cross-reference
interchangeable
106-29P47Interchangeable
interchangeable cross-reference
interchangeable
228836PC25Interchangeable
interchangeable cross-reference
interchangeable
159370PC2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QQ-C-576B?
QQ-C-576B is a GASKET.
What parts can replace QQ-C-576B?
There are 11 known substitutes for QQ-C-576B: QQ-C-576B, 102-183P19, GKT613 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for QQ-C-576B?
QQ-C-576B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-8058. This indicates validated use in U.S. government and defense supply chains.
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