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66406 ✓ 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

- fashionable plastic frame<br>- including prepunched passepartouts<br>- round ground, quality washed glass<br>- ledge with special coated foil to conserve frame color<br>- precision mitring<br>- Hama EasyClip-System to frame quick and comfortab This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-155-4089, 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
66406
NSN: 4730-01-155-4089
FSC: 4730
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL OR IRON
thickness1.030 INCHES NOMINAL IN
neck_height0.293 INCHES NOMINAL IN
flange_width3.720 INCHES NOMINAL IN
recess_depth0.355 INCHES NOMINAL IN
socket_depth0.385 INCHES NOMINAL IN
flange_length3.940 INCHES MINIMUM AND 4.060 INCHES MAXIMUM IN
flange_diameter2.000 INCHES NOMINAL IN
furnished_itemsBOLT
recess_diameter2.844 INCHES NOMINAL IN
special_featuresHYDRAULIC; STRAIGHT FITTING SHAPE; SPLIT FLANGE TO FLANGED HEAD IS STANDARD PRESSURE SERIES
style_designatorBOLT HOLE CONNECTOR PLATE
NSN4730-01-155-4089
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 66406 · 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 27
X2471Interchangeable
interchangeable cross-reference
interchangeable
90EFS-S1602SF-1616Interchangeable
interchangeable cross-reference
interchangeable
J518Interchangeable
interchangeable cross-reference
interchangeable
66409AXInterchangeable
interchangeable cross-reference
interchangeable
FF593Interchangeable
interchangeable cross-reference
interchangeable
110124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66406?
66406 is a ELBOW,FLANGE TO HOSE manufactured by Hama.
What parts can replace 66406?
There are 27 known substitutes for 66406: X2471, 90EFS-S1602SF-1616, J518 and 24 more. Substitute compatibility should be verified for your specific system.
Is 66406 still available?
66406 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