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Technical Data Sheet
PartsTable / COMPONENT / 959-3
959-3 ✓ Verified by PartsTable
Thule · 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 most safe and silent roof rack. Now in low fit.<br><br>- Low profile and close fit to the roof creates a stunning look.<br>- Smoothly arched for a slim fit.<br>- Universal fit by the use of telescopic feet (50 mm/side).<br>- Pre-assembled and complete packed for easy handling.<br>- Using airplane technology to minimize sound and fuel consumption.<br>- WindDiffuser diverts the air currents.<br>- Trail Edge for reduced air resistance.<br>- Double molded plastic caps for best appearance and easy fitting.<br>- A kit-based roof rack system. Use the Thule Buyer's Guide to find out which roof rack fits your car.<br>- City Crash approved for 75 kg according to ISO Norm.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-334-5755, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
959-3
NSN: 5330-00-334-5755
FSC: 5330
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
special_featuresHIGH SPEED ELECTRICIAN SET FOR STANDARD PIPE AND CONDUIT ENTRANCES FROM 1/2 IN. TO 2 IN. IN
component_quantity9
nonsupply_items_and_quantities7/8 IN. SAW BLADE 1; 1-1/8 IN. SAW BLADE 1; 1-3/8 IN. SAW BLADE 1; 1/3/4 IN. SAW BLADE 1; 2 IN. SAW BLADE 1; 2-1/2 IN. SAW BLADE 1; ARBORS 2; CARRYING CASE 1 IN
NSN5330-00-334-5755
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 959-3 MFR: Thule ⚠ 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: OUTSIDE GROOVED, STRAIGHT FACE
•
OUTER EDGE THICKNESS: 0.104 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
MATERIAL: UNABLE TO DECODE
•
FSC APPLICATION DATA: CYLINDER ASSEMBLY,ACTUATING,LINEAR
•
OUTSIDE DIAMETER: 0.891 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
OUTER EDGE THICKNESS0.104 INCHES NOMINAL IN
RING STYLECONCENTRIC
MATERIALUNABLE TO DECODE
FSC APPLICATION DATACYLINDER ASSEMBLY,ACTUATING,LINEAR
OUTSIDE DIAMETER0.891 INCHES NOMINAL IN
INSIDE DIAMETER0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
A509517-3Interchangeable
interchangeable cross-reference
interchangeable
MSC115A/10HJ4Interchangeable
interchangeable cross-reference
interchangeable
1066620-1Interchangeable
interchangeable cross-reference
interchangeable
BPR344Interchangeable
interchangeable cross-reference
interchangeable
421836-02Interchangeable
interchangeable cross-reference
interchangeable
MILE1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 959-3?
959-3 is a PARTS KIT,SEAL REPLACEMENT,MECHA manufactured by Thule.
What parts can replace 959-3?
There are 24 known substitutes for 959-3: A509517-3, MSC115A/10HJ4, 1066620-1 and 21 more. Substitute compatibility should be verified for your specific system.
Is 959-3 still available?
959-3 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