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Technical Data Sheet
PartsTable / COMPONENT / 56458-48
56458-48 ✓ 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 material: PAPER OVERALL, hole_diameter: 0.180 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 3.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.625 INCHES NOMINAL IN, bolt_circle_diameter: 3.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-166-5700, 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
56458-48
NSN: 5330-00-166-5700
FSC: 5330
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialPAPER OVERALL
hole_diameter0.180 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter3.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.625 INCHES NOMINAL IN
bolt_hole_quantity8
bolt_circle_diameter3.375 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-166-5700
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56458-48 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
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
•
BOLT CIRCLE DIAMETER: 3.375 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.750 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.180 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
APERTURE DIAMETER: 2.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIALPAPER OVERALL
BOLT CIRCLE DIAMETER3.375 INCHES NOMINAL IN
OUTSIDE DIAMETER3.750 INCHES NOMINAL IN
HOLE DIAMETER0.180 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE DIAMETER2.625 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
56-12Interchangeable
interchangeable cross-reference
interchangeable
301576-1Interchangeable
interchangeable cross-reference
interchangeable
714181Interchangeable
interchangeable cross-reference
interchangeable
0216Interchangeable
interchangeable cross-reference
interchangeable
RW32V123Interchangeable
interchangeable cross-reference
interchangeable
MILR26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56458-48?
56458-48 is a GASKET.
What parts can replace 56458-48?
There are 16 known substitutes for 56458-48: 56-12, 301576-1, 714181 and 13 more. Substitute compatibility should be verified for your specific system.
Is 56458-48 still available?
56458-48 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026