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4L3437 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4L3437: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 7.500 INCHES NOMINAL IN, special_features: CONTAIN NON-ASBESTOS MATERIAL, SLOTTED HOLE 0.125 X 0.750, style_designator: CIRCULAR, bolt_circle_diameter: 6.750 INCHES NOMINAL IN, cross-sectional_thickness: 0.029 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-122-9648, 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
4L3437
NSN: 5330-00-122-9648
NIINs: 001229648, 014914158
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter7.500 INCHES NOMINAL IN
special_featuresCONTAIN NON-ASBESTOS MATERIAL, SLOTTED HOLE 0.125 X 0.750
style_designatorCIRCULAR
bolt_hole_quantity6
bolt_circle_diameter6.750 INCHES NOMINAL IN
cross-sectional_thickness0.029 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-00-122-9648
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4L3437 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: 0.029 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 7.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 6.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 6.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.029 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER7.500 INCHES NOMINAL IN
APERTURE DIAMETER6.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER6.750 INCHES NOMINAL IN
SPECIAL FEATURESSLOTTED HOLE 0.125 X 0.750 INCHES30 DEG FROM BOLT HOLE
MATERIALASBESTOS OVERALL
HOLE DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
4123437Same 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 4L3437?
4L3437 is a GASKET.
What parts can replace 4L3437?
There is 1 known substitute for 4L3437: 4123437. Substitute compatibility should be verified for your specific system.
What is the NSN for 4L3437?
4L3437 is cataloged in the U.S. Government catalog under NSN 5330-00-122-9648. This indicates validated use in U.S. government and defense supply chains.
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