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Technical Data Sheet
PartsTable / COMPONENT / 53A68B177
53A68B177 ✓ 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: RUBBER SYNTHETIC OVERALL, hole_diameter: 0.191 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 3.312 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-071-8783, 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
53A68B177
NSN: 5330-00-071-8783
FSC: 5330
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hole_diameter0.191 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating60.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter3.312 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-071-8783
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 53A68B177 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
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
OUTSIDE DIAMETER: 3.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL OVERALL
•
HOLE DIAMETER: 0.191 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
OUTSIDE DIAMETER3.312 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL OVERALL
HOLE DIAMETER0.191 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
13515Interchangeable
interchangeable cross-reference
interchangeable
SM-A-837760-1Interchangeable
interchangeable cross-reference
interchangeable
WE-2823Interchangeable
interchangeable cross-reference
interchangeable
17968Interchangeable
interchangeable cross-reference
interchangeable
69A21/60WM/TS/120-125Interchangeable
interchangeable cross-reference
interchangeable
12759-01239Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53A68B177?
53A68B177 is a GASKET.
What parts can replace 53A68B177?
There are 6 known substitutes for 53A68B177: 13515, SM-A-837760-1, WE-2823 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53A68B177?
53A68B177 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-071-8783. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026