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Technical Data Sheet
PartsTable / COMPONENT / 444631
444631 ✓ 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 material: IRON OR STEEL BODY, body_type: SOLID, drive_end_style: RECESSED HEXAGON, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL, surface_treatment: ZINC BODY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-011-3176, 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
444631
NSN: 4730-00-011-3176
FSC: 4730
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialIRON OR STEEL BODY
body_typeSOLID
drive_end_styleRECESSED HEXAGON
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentZINC BODY
nominal_thread_size0.500 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
nominal_pipe_size_for_which_designed0.500 INCHES IN
NSN4730-00-011-3176
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 444631 · 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 30
109FInterchangeable
interchangeable cross-reference
interchangeable
15470DInterchangeable
interchangeable cross-reference
interchangeable
1602934Interchangeable
interchangeable cross-reference
interchangeable
90940Interchangeable
interchangeable cross-reference
interchangeable
700394P003Interchangeable
interchangeable cross-reference
interchangeable
9605Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 444631?
444631 is a BEARING,BALL,ANNULAR.
What parts can replace 444631?
There are 30 known substitutes for 444631: 109F, 15470D, 1602934 and 27 more. Substitute compatibility should be verified for your specific system.
Is 444631 still available?
444631 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