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Technical Data Sheet
PartsTable / COMPONENT / N-10656/3IN PC 7(MOD)
N-10656/3IN PC 7(MOD) ✓ 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 N-10656/3IN PC 7(MOD) is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-246-0820, 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
N-10656/3IN PC 7(MOD)
NSN: 5330-01-246-0820
FSC: 5330
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
Part NumberN-10656/3IN PC 7(MOD)
NSN5330-01-246-0820
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N-10656/3IN PC 7(MOD) 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
8978-0-127Interchangeable
interchangeable cross-reference
interchangeable
9318-004-350Interchangeable
interchangeable cross-reference
interchangeable
803-5001021Interchangeable
interchangeable cross-reference
interchangeable
643479Interchangeable
interchangeable cross-reference
interchangeable
650611Interchangeable
interchangeable cross-reference
interchangeable
8974-012-127Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-10656/3IN PC 7(MOD)?
N-10656/3IN PC 7(MOD) is a N-10656/3IN PC 7(MOD).
What parts can replace N-10656/3IN PC 7(MOD)?
There are 23 known substitutes for N-10656/3IN PC 7(MOD): 8978-0-127, 9318-004-350, 803-5001021 and 20 more. Substitute compatibility should be verified for your specific system.
Is N-10656/3IN PC 7(MOD) still available?
N-10656/3IN PC 7(MOD) 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