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Technical Data Sheet
PartsTable / COMPONENT / 33353/708386
33353/708386 ✓ 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 33353/708386 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-831-6632, 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
33353/708386
NSN: 5330-00-831-6632
FSC: 5330
CAGE: 90664 — WALWORTH CO MARINE DIV (USA)
SPECIFICATIONS
Part Number33353/708386
NSN5330-00-831-6632
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 33353/708386 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
•
HEIGHT: 0.672 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.411 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR TOP RING
•
OUTSIDE DIAMETER: 0.599 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.672 INCHES NOMINAL IN
INSIDE DIAMETER0.411 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR TOP RING
OUTSIDE DIAMETER0.599 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR BOTTOM RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
PER43Interchangeable
interchangeable cross-reference
interchangeable
L301481Interchangeable
interchangeable cross-reference
interchangeable
3353Interchangeable
interchangeable cross-reference
interchangeable
12759-00589Interchangeable
interchangeable cross-reference
interchangeable
532000058-00Interchangeable
interchangeable cross-reference
interchangeable
33353Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33353/708386?
33353/708386 is a 33353/708386.
What parts can replace 33353/708386?
There are 6 known substitutes for 33353/708386: PER43, L301481, 3353 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 33353/708386?
33353/708386 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-831-6632. 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