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Technical Data Sheet
PartsTable / COMPONENT / 7500-1/4
7500-1/4 ✓ 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 7500-1/4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-055-9231, 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
7500-1/4
NSN: 5330-01-055-9231
FSC: 5330
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
Part Number7500-1/4
NSN5330-01-055-9231
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7500-1/4 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
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.064 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC PACKING
•
PACKING INSIDE DIAMETER: 0.260 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM RETAINER
•
RETAINER THICKNESS: 0.048 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS (FLIS)
PACKING RING CROSS-SECTIONAL DIAMETER0.064 INCHES NOMINAL IN
OUTSIDE DIAMETER0.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC PACKING
PACKING INSIDE DIAMETER0.260 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM RETAINER
RETAINER THICKNESS0.048 INCHES NOMINAL IN
MATERIALSTEEL RETAINER
CONSTRUCTIONONE-PIECE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
2-711Interchangeable
interchangeable cross-reference
interchangeable
7500-00014Interchangeable
interchangeable cross-reference
interchangeable
33059Interchangeable
interchangeable cross-reference
interchangeable
YD311S1Interchangeable
interchangeable cross-reference
interchangeable
CFN41272Interchangeable
interchangeable cross-reference
interchangeable
A10804Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7500-1/4?
7500-1/4 is a 7500-1/4.
What parts can replace 7500-1/4?
There are 22 known substitutes for 7500-1/4: 2-711, 7500-00014, 33059 and 19 more. Substitute compatibility should be verified for your specific system.
Is 7500-1/4 still available?
7500-1/4 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