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Technical Data Sheet
PartsTable / COMPONENT / B7066 PIECE NO. 5
B7066 PIECE NO. 5 ✓ 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 B7066 PIECE NO. 5 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-019-3233, 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
B7066 PIECE NO. 5
NSN: 5330-01-019-3233
FSC: 5330
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
Part NumberB7066 PIECE NO. 5
NSN5330-01-019-3233
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B7066 PIECE NO. 5 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
•
OUTSIDE DIAMETER: 2.879 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
HOUSING BORE DIAMETER: 2.875 INCHES NOMINAL IN
•
SEAL WIDTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PLASTIC CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: RECESSED
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.879 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER2.875 INCHES NOMINAL IN
SEAL WIDTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
SURFACE TREATMENTPLASTIC CASE
SEALING ELEMENT STYLEANGULAR
CASE STYLERECESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
19Interchangeable
interchangeable cross-reference
interchangeable
21101Interchangeable
interchangeable cross-reference
interchangeable
400S3Interchangeable
interchangeable cross-reference
interchangeable
UV400S3Interchangeable
interchangeable cross-reference
interchangeable
B107.100Interchangeable
interchangeable cross-reference
interchangeable
6101102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B7066 PIECE NO. 5?
B7066 PIECE NO. 5 is a B7066 PIECE NO. 5.
What parts can replace B7066 PIECE NO. 5?
There are 17 known substitutes for B7066 PIECE NO. 5: 19, 21101, 400S3 and 14 more. Substitute compatibility should be verified for your specific system.
Is B7066 PIECE NO. 5 still available?
B7066 PIECE NO. 5 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