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Technical Data Sheet
12356775 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 4.440 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.750 INCHES NOMINAL IN, cross-sectional_thickness: 0.090 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-299-6616, 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
12356775
NSN: 5330-01-299-6616
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter4.440 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.750 INCHES NOMINAL IN
cross-sectional_thickness0.090 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000 2BG610B14EF11EF21E034F17Z ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5330-01-299-6616
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12356775 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATOR: CIRCULAR
CROSS-SECTIONAL THICKNESS: 0.090 INCHES NOMINAL IN
APERTURE DIAMETER: 3.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BG610B14EF11EF21E034F17Z ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
OUTSIDE DIAMETER: 4.440 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.090 INCHES NOMINAL IN
APERTURE DIAMETER3.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BG610B14EF11EF21E034F17Z ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
OUTSIDE DIAMETER4.440 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
A1028-2Interchangeable
interchangeable cross-reference
interchangeable
1028-2Interchangeable
interchangeable cross-reference
interchangeable
13048960Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12356775?
12356775 is a GASKET.
What parts can replace 12356775?
There are 3 known substitutes for 12356775: A1028-2, 1028-2, 13048960. Substitute compatibility should be verified for your specific system.
Is 12356775 still available?
12356775 is currently cancelled.
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