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Technical Data Sheet
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7610257 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include peripheral_diameter: 2.617 INCHES MINIMUM AND 2.673 INCHES MAXIMUM IN, center_hole_diameter: 2.215 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN, elongation_percentage: 164 MAXIMUM, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-640-9476, 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
7610257
NSN: 5330-00-640-9476
FSC: 5330
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
peripheral_diameter2.617 INCHES MINIMUM AND 2.673 INCHES MAXIMUM IN
center_hole_diameter2.215 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
elongation_percentage164 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5330-00-640-9476
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7610257 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
•
PERIPHERAL DIAMETER: 2.617 INCHES MINIMUM AND 2.673 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.215 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 164 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER2.617 INCHES MINIMUM AND 2.673 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.215 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
ELONGATION PERCENTAGE164 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
JA1S-A3-A-1-2Interchangeable
interchangeable cross-reference
interchangeable
546804Interchangeable
interchangeable cross-reference
interchangeable
11242Interchangeable
interchangeable cross-reference
interchangeable
188-8Interchangeable
IBM 139GB 15k RPM SAS SFF-1 HDD
interchangeable
148099Interchangeable
interchangeable cross-reference
interchangeable
0903631Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7610257?
7610257 is a PACKING,PREFORMED.
What parts can replace 7610257?
There are 32 known substitutes for 7610257: JA1S-A3-A-1-2, 546804, 11242 and 29 more. Substitute compatibility should be verified for your specific system.
Is 7610257 still available?
7610257 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026