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Technical Data Sheet
PartsTable / COMPONENT / 2188-17
2188-17 ✓ 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 STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.125 INCHES NOMINAL IN, diameter: 0.156 INCHES NOMINAL IN, style_designator: PROJECTION ONE END, cross-sectional_shape: ROUND, right_counterbore_depth: 0.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-105-6878, 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
2188-17
NSN: 5340-00-105-6878
FSC: 5340
CAGE: 71279 — INTERCONNECTION PRODUCTS INC (USA)
SPECIFICATIONS
length0.125 INCHES NOMINAL IN
diameter0.156 INCHES NOMINAL IN
style_designatorPROJECTION ONE END
cross-sectional_shapeROUND
right_counterbore_depth0.062 INCHES NOMINAL IN
NSN5340-00-105-6878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2188-17 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 SHAPE: ROUND
•
RIGHT COUNTERBORE DEPTH: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END
•
LENGTH: 0.125 INCHES NOMINAL IN
•
DIAMETER: 0.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPEROUND
RIGHT COUNTERBORE DEPTH0.062 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END
LENGTH0.125 INCHES NOMINAL IN
DIAMETER0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
21881Upgraded Successor
successor cross-reference
successor
6530NCM115921Upgraded Successor
successor cross-reference
successor
2221030Upgraded Successor
successor cross-reference
successor
SFSW4C4CPL01BKInterchangeable
interchangeable cross-reference
interchangeable
50-10169Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2188-17?
2188-17 is a STANDOFF,THREADED,SPACING.
What parts can replace 2188-17?
There are 8 known substitutes for 2188-17: 21881, 6530NCM115921, 2221030 and 5 more. Substitute compatibility should be verified for your specific system.
Is 2188-17 still available?
2188-17 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