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Technical Data Sheet
PartsTable / COMPONENT / 517-2295691 PC20
517-2295691 PC20 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include end_item_identification: FORRESTAL CLASS CV. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-187-4902, 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
517-2295691 PC20
NSN: 5330-01-187-4902
FSC: 5330
CAGE: 82522 — PUGET SOUND NAVAL SHIPYARD AND INTERMEDIATE MAINTENCE FACILITY (USA)
SPECIFICATIONS
end_item_identificationFORRESTAL CLASS CV
NSN5330-01-187-4902
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 517-2295691 PC20 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONFORRESTAL CLASS CV
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
TD2245Interchangeable
interchangeable cross-reference
interchangeable
11181Interchangeable
interchangeable cross-reference
interchangeable
6B179Interchangeable
interchangeable cross-reference
interchangeable
WE-2055-2Interchangeable
interchangeable cross-reference
interchangeable
NPH-28-25Interchangeable
interchangeable cross-reference
interchangeable
700877 PIECE 68Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 517-2295691 PC20?
517-2295691 PC20 is a RETAINER,PACKING.
What parts can replace 517-2295691 PC20?
There are 10 known substitutes for 517-2295691 PC20: TD2245, 11181, 6B179 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 517-2295691 PC20?
517-2295691 PC20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-187-4902. 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