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600-1668PC9 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

600-1668PC9: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, minor_width: 0.214 INCHES MINIMUM AND 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM0.224 INCHES MAXIMUM IN, construction: SOLIDSOLID, minor_height: 0.701 INCHES NOMINAL0.701 INCHES NOMINAL IN, minor_thickness: 0.240 INCHES MINIMUM AND 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN, style_designator: CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-896-3420, 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
600-1668PC9
NSN: 5330-00-896-3420
FSC: 5330 — Packing and Gasket Materials
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
minor_width0.214 INCHES MINIMUM AND 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM0.224 INCHES MAXIMUM IN
constructionSOLIDSOLID
minor_height0.701 INCHES NOMINAL0.701 INCHES NOMINAL IN
minor_thickness0.240 INCHES MINIMUM AND 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter13.500 INCHES NOMINAL13.500 INCHES NOMINAL IN
fabrication_methodSOLIDSOLID
cross-sectional_width0.870 INCHES MINIMUM AND 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM0.880 INCHES MAXIMUM IN
cross-sectional_height0.771 INCHES MINIMUM AND 0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM0.791 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIALSPECIAL
material_document_and_classificationMIL-R-15624,CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-896-3420
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 600-1668PC9 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
•
CROSS-SECTIONAL HEIGHT: 0.771 INCHES MINIMUM AND 0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM0.791 INCHES MAXIMUM IN
•
MINOR THICKNESS: 0.240 INCHES MINIMUM AND 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
•
CROSS-SECTIONAL WIDTH: 0.870 INCHES MINIMUM AND 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM0.880 INCHES MAXIMUM IN
•
MINOR HEIGHT: 0.701 INCHES NOMINAL0.701 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624,CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIALSPECIAL
•
APERTURE DIAMETER: 13.500 INCHES NOMINAL13.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.771 INCHES MINIMUM AND 0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM0.791 INCHES MAXIMUM IN
MINOR THICKNESS0.240 INCHES MINIMUM AND 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
CROSS-SECTIONAL WIDTH0.870 INCHES MINIMUM AND 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM0.880 INCHES MAXIMUM IN
MINOR HEIGHT0.701 INCHES NOMINAL0.701 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624,CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIALSPECIAL
APERTURE DIAMETER13.500 INCHES NOMINAL13.500 INCHES NOMINAL IN
MINOR WIDTH0.214 INCHES MINIMUM AND 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM0.224 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
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 2
600-1668-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
600-1867REVCPC9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 600-1668PC9?
600-1668PC9 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 600-1668PC9?
There are 2 known substitutes for 600-1668PC9: 600-1668-9, 600-1867REVCPC9. Substitute compatibility should be verified for your specific system.
What is the NSN for 600-1668PC9?
600-1668PC9 is cataloged in the U.S. Government catalog under NSN 5330-00-896-3420. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.