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Technical Data Sheet
PartsTable / COMPONENT / YC4-15
YC4-15 ✓ 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 CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include height: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, hole_diameter: 0.1285 INCHES NOMINAL IN, furnished_items: LOCKNUT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-877-3412, 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
YC4-15
NSN: 5340-00-877-3412
FSC: 5340
CAGE: 12444 — DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV (USA)
SPECIFICATIONS
height0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
hole_diameter0.1285 INCHES NOMINAL IN
furnished_itemsLOCKNUT
NSN5340-00-877-3412
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: YC4-15 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
•
HOLE DIAMETER: 0.1285 INCHES NOMINAL IN
•
HEIGHT: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
FURNISHED ITEMS: LOCKNUT
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.1285 INCHES NOMINAL IN
HEIGHT0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
FURNISHED ITEMSLOCKNUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
N351CD170Upgraded Successor
successor cross-reference
successor
C17Upgraded Successor
successor cross-reference
successor
CD170Upgraded Successor
successor cross-reference
successor
WC586Interchangeable
interchangeable cross-reference
interchangeable
14LC50Interchangeable
interchangeable cross-reference
interchangeable
3DC124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is YC4-15?
YC4-15 is a CLAMP,SYNCHRO.
What parts can replace YC4-15?
There are 12 known substitutes for YC4-15: N351CD170, C17, CD170 and 9 more. Substitute compatibility should be verified for your specific system.
Is YC4-15 still available?
YC4-15 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