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PartsTable / COMPONENT / B775-50
B775-50 ✓ 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,PREFORMED is a the manufacturer industrial component. Key specifications include peripheral_diameter: 1.429 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN, center_hole_diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN, elongation_percentage: 164 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-198-6179, 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
B775-50
NSN: 5330-00-198-6179
FSC: 5330
CAGE: 81336 — CHIEF OF ENGINEERS DEPT OF ARMY (USA)
SPECIFICATIONS
peripheral_diameter1.429 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN
center_hole_diameter1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
elongation_percentage164 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5330-00-198-6179
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B775-50 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 1.429 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 164 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
PERIPHERAL DIAMETER1.429 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN
ELONGATION PERCENTAGE164 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
2968-03ALT2PCQ3Interchangeable
interchangeable cross-reference
interchangeable
AN6230B22Interchangeable
interchangeable cross-reference
interchangeable
PS1-30-5-B22Interchangeable
interchangeable cross-reference
interchangeable
756508Interchangeable
interchangeable cross-reference
interchangeable
468326Interchangeable
interchangeable cross-reference
interchangeable
756507Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B775-50?
B775-50 is a PACKING,PREFORMED.
What parts can replace B775-50?
There are 32 known substitutes for B775-50: 2968-03ALT2PCQ3, AN6230B22, PS1-30-5-B22 and 29 more. Substitute compatibility should be verified for your specific system.
Is B775-50 still available?
B775-50 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