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4L8176 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4L8176: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 7.380 INCHES NOMINAL IN, style_designator: CIRCULAR WITH TWO PERIPHERAL FLATS, aperture_diameter: 5.620 INCHES NOMINAL IN, bolt_circle_diameter: 6.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-979-4563, 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
4L8176
NSN: 5330-00-979-4563
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter7.380 INCHES NOMINAL IN
style_designatorCIRCULAR WITH TWO PERIPHERAL FLATS
aperture_diameter5.620 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter6.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
gasket_center_to_flat_distance3.250 INCHES NOMINAL IN
material_document_and_classification1E674,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
gasket_center_to_second_flat_distance3.250 INCHES NOMINAL IN
NSN5330-00-979-4563
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4L8176 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: 0.031 INCHES NOMINAL IN
•
GASKET CENTER TO FLAT DISTANCE: 3.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR WITH TWO PERIPHERAL FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 1E674,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 7.380 INCHES NOMINAL IN
•
APERTURE DIAMETER: 5.620 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
GASKET CENTER TO FLAT DISTANCE3.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR WITH TWO PERIPHERAL FLATS
MATERIAL DOCUMENT AND CLASSIFICATION1E674,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER7.380 INCHES NOMINAL IN
APERTURE DIAMETER5.620 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER6.500 INCHES NOMINAL IN
MATERIALASBESTOS 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4L8176?
4L8176 is a GASKET.
What is the NSN for 4L8176?
4L8176 is cataloged in the U.S. Government catalog under NSN 5330-00-979-4563. This indicates validated use in U.S. government and defense supply chains.
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