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103866 ✓ Verified by PartsTable
Hama · 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

CASE AND NOZZLE ASSEMBLY,TURBINE. Key specifications include length: 0.562 INCHES NOMINAL IN, diameter: 0.188 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 OVERALL, thread_length: 0.086 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, special_features: HEADLESS,5/64 IN. DIA HOLE DRILLED THROUGH SHANK,9/32 IN.

FROM ONE END IN, style_designator: LEFT INTERNAL THREAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-202-9390, 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
103866
NSN: 4730-00-202-9390
FSC: 4730
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
length0.562 INCHES NOMINAL IN
diameter0.188 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 OVERALL
thread_length0.086 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
special_featuresHEADLESS,5/64 IN. DIA HOLE DRILLED THROUGH SHANK,9/32 IN. FROM ONE END IN
style_designatorLEFT INTERNAL THREAD
surface_treatmentANODIZE OVERALL
NSN4730-00-202-9390
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 103866 · Hama ⚠ 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 20
A1653Interchangeable
interchangeable cross-reference
interchangeable
852686Interchangeable
interchangeable cross-reference
interchangeable
5A7043Interchangeable
interchangeable cross-reference
interchangeable
1574730Interchangeable
interchangeable cross-reference
interchangeable
21786Interchangeable
interchangeable cross-reference
interchangeable
PM21786Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 103866?
103866 is a CASE AND NOZZLE ASSEMBLY,TURBINE manufactured by Hama.
What parts can replace 103866?
There are 20 known substitutes for 103866: A1653, 852686, 5A7043 and 17 more. Substitute compatibility should be verified for your specific system.
Is 103866 still available?
103866 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