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Technical Data Sheet
PartsTable / COMPONENT / 7879-26REVAPC19
7879-26REVAPC19 ✓ 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 WITH RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, construction: ONE-PIECE, outside_diameter: 0.422 INCHES NOMINAL IN, surface_treatment: CADMIUM RETAINER, retainer_thickness: 0.054 INCHES NOMINAL IN, packing_inside_diameter: 0.220 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-4432, 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
7879-26REVAPC19
NSN: 5330-00-641-4432
FSC: 5330
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL RETAINER
constructionONE-PIECE
outside_diameter0.422 INCHES NOMINAL IN
surface_treatmentCADMIUM RETAINER
retainer_thickness0.054 INCHES NOMINAL IN
packing_inside_diameter0.220 INCHES NOMINAL IN
packing_ring_cross-sectional_diameter0.064 INCHES NOMINAL IN
NSN5330-00-641-4432
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7879-26REVAPC19 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
•
MATERIAL: RUBBER SYNTHETIC PACKING
•
PACKING INSIDE DIAMETER: 0.220 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.422 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM RETAINER
•
RETAINER THICKNESS: 0.054 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.064 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC PACKING
PACKING INSIDE DIAMETER0.220 INCHES NOMINAL IN
OUTSIDE DIAMETER0.422 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM RETAINER
MATERIALSTEEL RETAINER
RETAINER THICKNESS0.054 INCHES NOMINAL IN
CONSTRUCTIONONE-PIECE
PACKING RING CROSS-SECTIONAL DIAMETER0.064 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1302Interchangeable
interchangeable cross-reference
interchangeable
209Interchangeable
interchangeable cross-reference
interchangeable
10012Interchangeable
interchangeable cross-reference
interchangeable
110316Interchangeable
interchangeable cross-reference
interchangeable
TB107Interchangeable
interchangeable cross-reference
interchangeable
2564553Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7879-26REVAPC19?
7879-26REVAPC19 is a PACKING WITH RETAINER.
What parts can replace 7879-26REVAPC19?
There are 15 known substitutes for 7879-26REVAPC19: 1302, 209, 10012 and 12 more. Substitute compatibility should be verified for your specific system.
Is 7879-26REVAPC19 still available?
7879-26REVAPC19 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