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Technical Data Sheet
PartsTable / COMPONENT / 4KBZB
4KBZB ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include color: BLACK SINGLE ACTUATOR, phase: SINGLE, width: 65.0 MILLIMETERS NOMINAL MM, height: 68.0 MILLIMETERS NOMINAL MM, length: 0.500 INCHES NOMINAL IN, diameter: 62.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-444-7258, 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
4KBZB
NSN: 4730-00-444-7258
FSC: 4730
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
colorBLACK SINGLE ACTUATOR
phaseSINGLE
width65.0 MILLIMETERS NOMINAL MM
height68.0 MILLIMETERS NOMINAL MM
length0.500 INCHES NOMINAL IN
diameter62.0 MILLIMETERS NOMINAL MM
materialCOPPER ALLOY OVERALL
tip_typeBEVELED
duty_typeCONTINUOUS
thickness2.2 MILLIMETERS NOMINAL MM
arbor_size5/8 IN. IN
body_styleBUSHING MOUNTED
NSN4730-00-444-7258
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4KBZB · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
2781-4Interchangeable
interchangeable cross-reference
interchangeable
RH19B25Interchangeable
interchangeable cross-reference
interchangeable
16028P11Interchangeable
interchangeable cross-reference
interchangeable
4CInterchangeable
interchangeable cross-reference
interchangeable
Y15084Interchangeable
interchangeable cross-reference
interchangeable
406Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4KBZB?
4KBZB is a BEARING,BALL,ANNULAR.
What parts can replace 4KBZB?
There are 23 known substitutes for 4KBZB: 2781-4, RH19B25, 16028P11 and 20 more. Substitute compatibility should be verified for your specific system.
Is 4KBZB still available?
4KBZB 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