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PartsTable / COMPONENT / 33688H
33688H ✓ 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 FELT,MECHANICAL,PREFORMED is a the manufacturer industrial component. Key specifications include material: WOOL OVERALL, overall_width: 0.375 INCHES NOMINAL IN, overall_length: 5.000 INCHES NOMINAL IN, cross-sectional_height: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-355-3604, 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
33688H
NSN: 5330-00-355-3604
FSC: 5330
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialWOOL OVERALL
overall_width0.375 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
cross-sectional_height0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NSN5330-00-355-3604
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 33688H 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 HEIGHT: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
MATERIAL: WOOL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MATERIALWOOL OVERALL
OVERALL LENGTH5.000 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
48-102Interchangeable
interchangeable cross-reference
interchangeable
4095291Interchangeable
interchangeable cross-reference
interchangeable
28PP567Interchangeable
interchangeable cross-reference
interchangeable
B107.12Interchangeable
interchangeable cross-reference
interchangeable
B107.00 CAT 12 TY1CL2STAInterchangeable
interchangeable cross-reference
interchangeable
413MMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33688H?
33688H is a FELT,MECHANICAL,PREFORMED.
What parts can replace 33688H?
There are 10 known substitutes for 33688H: 48-102, 4095291, 28PP567 and 7 more. Substitute compatibility should be verified for your specific system.
Is 33688H still available?
33688H 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