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Technical Data Sheet
PartsTable / COMPONENT / 50B17
50B17 ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include radius: 1.094 INCHES NOMINAL IN, material: STEEL, outside_diameter: 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN, style_designator: CONCAVE, material_thickness: 0.083 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-232-5723, 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
50B17
NSN: 5340-00-232-5723
FSC: 5340
CAGE: 05643 — BARBER-GREENE CO (USA)
SPECIFICATIONS
radius1.094 INCHES NOMINAL IN
materialSTEEL
outside_diameter0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN
style_designatorCONCAVE
material_thickness0.083 INCHES NOMINAL IN
NSN5340-00-232-5723
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50B17 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
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
RADIUS: 1.094 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.083 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN
MATERIALSTEEL
RADIUS1.094 INCHES NOMINAL IN
MATERIAL THICKNESS0.083 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
103893Upgraded Successor
successor cross-reference
successor
1-0400-0448Upgraded Successor
successor cross-reference
successor
910003Upgraded Successor
Motorza.c.zzzzzzzzz
successor
47563Upgraded Successor
successor cross-reference
successor
1948694Interchangeable
interchangeable cross-reference
interchangeable
0910333-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50B17?
50B17 is a PLUG,EXPANSION.
What parts can replace 50B17?
There are 29 known substitutes for 50B17: 103893, 1-0400-0448, 910003 and 26 more. Substitute compatibility should be verified for your specific system.
Is 50B17 still available?
50B17 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