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Technical Data Sheet
JK55 ✓ 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 JACK,TELEPHONE is a the manufacturer industrial component. Key specifications include material: PLASTIC INSULATOR, body_style: DUAL ACCOMMODATED STRAIGHT EXTENSION, body_width: 0.376 INCHES NOMINAL IN, body_height: 0.812 INCHES NOMINAL IN, terminal_type: INTERNAL SETSCREW, overall_length: 1.438 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-187-3635, 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
JK55
NSN: 5330-00-187-3635
FSC: 5330
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialPLASTIC INSULATOR
body_styleDUAL ACCOMMODATED STRAIGHT EXTENSION
body_width0.376 INCHES NOMINAL IN
body_height0.812 INCHES NOMINAL IN
terminal_typeINTERNAL SETSCREW
overall_length1.438 INCHES NOMINAL IN
center_hole_diameter0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
cable_entrance_diameter0.130 INCHES NOMINAL IN
accommodated_finger_typeTEST PROD ALL FINGERS
finger_accommodation_length0.328 INCHES NOMINAL ALL FINGERS IN
specification/standard_data81349--641/8-1 GOVERNMENT SPECIFICATION
NSN5330-00-187-3635
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: JK55 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
CENTER HOLE DIAMETER: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 36
3379581Interchangeable
interchangeable cross-reference
interchangeable
3379581-1Interchangeable
interchangeable cross-reference
interchangeable
26945Interchangeable
interchangeable cross-reference
interchangeable
2100-811724REVCPC11Interchangeable
interchangeable cross-reference
interchangeable
2100-811715REVEPC12Interchangeable
interchangeable cross-reference
interchangeable
2100-811785REVAPC11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JK55?
JK55 is a JACK,TELEPHONE.
What parts can replace JK55?
There are 36 known substitutes for JK55: 3379581, 3379581-1, 26945 and 33 more. Substitute compatibility should be verified for your specific system.
Is JK55 still available?
JK55 is currently cancelled.
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