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9FCS3 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9FCS3: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CORK OVERALL, outside_diameter: 1.830 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN, cross-sectional_thickness: 0.156 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-699-8372, 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
9FCS3
NSN: 5330-00-699-8372
FSC: 5330 — Packing and Gasket Materials
CAGE: 76040 — MACK TRUCKS INC PARTS OPN (USA)
SPECIFICATIONS
materialCORK OVERALL
outside_diameter1.830 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
cross-sectional_thickness0.156 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classification9550 FSCM 03938 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-699-8372
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9FCS3 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 THICKNESS: 0.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: 9550 FSCM 03938 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.830 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
•
MATERIAL: CORK OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.156 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION9550 FSCM 03938 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.830 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN
APERTURE DIAMETER1.670 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
MATERIALCORK 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
6-1-2-86-59Reference document
Same NSN cross-reference
Reference document — Secondary reference
K6-1-2-86-59Reference 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 9FCS3?
9FCS3 is a GASKET.
What parts can replace 9FCS3?
There are 2 known substitutes for 9FCS3: 6-1-2-86-59, K6-1-2-86-59. Substitute compatibility should be verified for your specific system.
What is the NSN for 9FCS3?
9FCS3 is cataloged in the U.S. Government catalog under NSN 5330-00-699-8372. This indicates validated use in U.S. government and defense supply chains.
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