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566-6985426-26 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

566-6985426-26: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, construction: SOLID, end_item_identification: NSSN CLASS SUB;STEERING GEAR HYDRAULIC CYLINDER ASSY, mounting_flange_diameter: 4.000 INCHES NOMINAL IN, material_document_and_classification: QQ-N-286 FORM-2,ANL,AH,CD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-490-6609, 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
566-6985426-26
NSN: 5330-01-490-6609
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
constructionSOLID
end_item_identificationNSSN CLASS SUB;STEERING GEAR HYDRAULIC CYLINDER ASSY
mounting_flange_diameter4.000 INCHES NOMINAL IN
material_document_and_classificationQQ-N-286 FORM-2,ANL,AH,CD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-490-6609
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 566-6985426-26 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FORM-2,ANL,AH,CD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING FLANGE DIAMETER: 4.000 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FORM-2,ANL,AH,CD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
END ITEM IDENTIFICATIONNSSN CLASS SUB;STEERING GEAR HYDRAULIC CYLINDER ASSY
MOUNTING FLANGE DIAMETER4.000 INCHES NOMINAL IN
MATERIALNICKEL ALLOY OVERALL
CONSTRUCTIONSOLID
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
H621-0102-26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 566-6985426-26?
566-6985426-26 is a RETAINER,SEAL.
What parts can replace 566-6985426-26?
There is 1 known substitute for 566-6985426-26: H621-0102-26. Substitute compatibility should be verified for your specific system.
What is the NSN for 566-6985426-26?
566-6985426-26 is cataloged in the U.S. Government catalog under NSN 5330-01-490-6609. This indicates validated use in U.S. government and defense supply chains.
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