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AT598A40-12 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AT598A40-12: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, outside_diameter: 9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 8.670 INCHES MINIMUM AND 8.720 INCHES MAXIMUM IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-768-4900, 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
AT598A40-12
NSN: 5330-00-768-4900
FSC: 5330 — Packing and Gasket Materials
CAGE: 00784 — SNAP-ON INCORPORATED DBA SNAP-ON TOOLS DIV SNAP-ON INDUSTRIAL, SPECIAL PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialRUBBER OVERALL
outside_diameter9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter8.670 INCHES MINIMUM AND 8.720 INCHES MAXIMUM IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-768-4900
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AT598A40-12 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: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 8.670 INCHES MINIMUM AND 8.720 INCHES MAXIMUM IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER9.470 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
APERTURE DIAMETER8.670 INCHES MINIMUM AND 8.720 INCHES MAXIMUM IN
MATERIALRUBBER 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
AT596-40-12Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
3554304-505Reference 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 AT598A40-12?
AT598A40-12 is a GASKET.
What parts can replace AT598A40-12?
There are 2 known substitutes for AT598A40-12: AT596-40-12, 3554304-505. Substitute compatibility should be verified for your specific system.
What is the NSN for AT598A40-12?
AT598A40-12 is cataloged in the U.S. Government catalog under NSN 5330-00-768-4900. This indicates validated use in U.S. government and defense supply chains.
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