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Technical Data Sheet
PartsTable / O-RING / 1866-14
1866-14 ✓ Verified by PartsTable
Hama · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

- Insert compartment for cards or similar objects with easy-slide function<br>- Booklet case with a hidden magnetic fastener<br>- Stand function for viewing videos<br>- Soft inside lining to protect the sensitive screen and back of the smartphone This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-251-9394, 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
1866-14
NSN: 5331-00-251-9394
FSC: 5331 — O-RING
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
ring_styleE
usage_designEXTERNAL
hole_diameter0.135 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
inside_diameter0.243 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
outside_diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
split_key_length0.125 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentOXIDE FILM OVERALL
material_thickness0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
external_key_quantity3
NSN5331-00-251-9394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1866-14 MFR: Hama ⚠ 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: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
CU09600008Interchangeable
interchangeable cross-reference
interchangeable
10970-001Interchangeable
interchangeable cross-reference
interchangeable
001722-TLAInterchangeable
interchangeable cross-reference
interchangeable
10970Interchangeable
interchangeable cross-reference
interchangeable
13063Interchangeable
interchangeable cross-reference
interchangeable
186614Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1866-14?
1866-14 is a WASHER,KEY manufactured by Hama.
What parts can replace 1866-14?
There are 20 known substitutes for 1866-14: CU09600008, 10970-001, 001722-TLA and 17 more. Substitute compatibility should be verified for your specific system.
Is 1866-14 still available?
1866-14 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