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561-6404325-18 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

561-6404325-18: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, special_features: ONE ADDITIONAL 0.766 INCH DIAMETER HOLE IN, attachment_method: ROUND HOLE, peripheral_diameter: 6.440 INCHES NOMINAL IN, center_hole_diameter: 2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN, cross-sectional_height: 0.690 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-447-2009, 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
561-6404325-18
NSN: 5330-01-447-2009
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
special_featuresONE ADDITIONAL 0.766 INCH DIAMETER HOLE IN
attachment_methodROUND HOLE
peripheral_diameter6.440 INCHES NOMINAL IN
center_hole_diameter2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
cross-sectional_height0.690 INCHES NOMINAL IN
attachment_hole_diameter0.219 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
attachment_feature_quantity6
attachment_feature_circle_diameter2.500 INCHES NOMINAL SINGLE CIRCLE IN
NSN5330-01-447-2009
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 561-6404325-18 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
•
ATTACHMENT HOLE DIAMETER: 0.219 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 6
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.690 INCHES NOMINAL IN
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 2.500 INCHES NOMINAL SINGLE CIRCLE IN
•
PERIPHERAL DIAMETER: 6.440 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.219 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY6
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.690 INCHES NOMINAL IN
ATTACHMENT FEATURE CIRCLE DIAMETER2.500 INCHES NOMINAL SINGLE CIRCLE IN
PERIPHERAL DIAMETER6.440 INCHES NOMINAL IN
SPECIAL FEATURESONE ADDITIONAL 0.766 INCH DIAMETER HOLE IN
CENTER HOLE DIAMETER2.000 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN
MATERIALSTEEL COMP 304 OVERALL
ATTACHMENT METHODROUND HOLE
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
DF2018-470-18Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 561-6404325-18?
561-6404325-18 is a RETAINER,PACKING.
What parts can replace 561-6404325-18?
There is 1 known substitute for 561-6404325-18: DF2018-470-18. Substitute compatibility should be verified for your specific system.
What is the NSN for 561-6404325-18?
561-6404325-18 is cataloged in the U.S. Government catalog under NSN 5330-01-447-2009. This indicates validated use in U.S. government and defense supply chains.
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