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BB7220 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-311-8426, 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
BB7220
NSN: 5340-00-311-8426
FSC: 5340
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
Part NumberBB7220
NSN5340-00-311-8426
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BB7220 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
FF-S-85Interchangeable
interchangeable cross-reference
interchangeable
100059Interchangeable
interchangeable cross-reference
interchangeable
129020Interchangeable
interchangeable cross-reference
interchangeable
3DD5Interchangeable
interchangeable cross-reference
interchangeable
1779Interchangeable
interchangeable cross-reference
interchangeable
554101C1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB7220?
BB7220 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace BB7220?
There are 20 known substitutes for BB7220: FF-S-85, 100059, 129020 and 17 more. Substitute compatibility should be verified for your specific system.
Is BB7220 still available?
BB7220 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