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Technical Data Sheet
PartsTable / COMPONENT / 1653121C1
1653121C1 ✓ 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 AND GLUE OVERALL, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.875 INCHES NOMINAL IN, aperture_width: 3.250 INCHES NOMINAL IN, overall_length: 6.250 INCHES NOMINAL IN, aperture_length: 4.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-141-2429, 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
1653121C1
NSN: 5330-00-141-2429
FSC: 5330
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.875 INCHES NOMINAL IN
aperture_width3.250 INCHES NOMINAL IN
overall_length6.250 INCHES NOMINAL IN
aperture_length4.625 INCHES NOMINAL IN
special_features0+406 IN. DISTANCE FROM EDGE OF GASKET TO CENTER OF BOLT HOLES IN
style_designatorNON-CIRCULAR
bolt_hole_quantity6
inside_corner_radius0.438 INCHES NOMINAL IN
outside_corner_radius1.250 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
NSN5330-00-141-2429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1653121C1 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
•
BOLT HOLE QUANTITY: 6
•
MATERIAL: PAPER AND GLUE OVERALL
•
INSIDE CORNER RADIUS: 0.438 INCHES NOMINAL IN
•
APERTURE WIDTH: 3.250 INCHES NOMINAL IN
•
APERTURE LENGTH: 4.625 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY6
OVERALL LENGTH6.250 INCHES NOMINAL IN
MATERIALPAPER AND GLUE OVERALL
INSIDE CORNER RADIUS0.438 INCHES NOMINAL IN
APERTURE WIDTH3.250 INCHES NOMINAL IN
APERTURE LENGTH4.625 INCHES NOMINAL IN
HOLE DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE CORNER RADIUS1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
3021T33P02Interchangeable
interchangeable cross-reference
interchangeable
73786Interchangeable
interchangeable cross-reference
interchangeable
2N5880Interchangeable
interchangeable cross-reference
interchangeable
16-84Interchangeable
interchangeable cross-reference
interchangeable
10-75260Interchangeable
interchangeable cross-reference
interchangeable
29689Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1653121C1?
1653121C1 is a GASKET.
What parts can replace 1653121C1?
There are 18 known substitutes for 1653121C1: 3021T33P02, 73786, 2N5880 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1653121C1 still available?
1653121C1 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