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MBEU-66573-2 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MBEU-66573-2: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A SECOND END A, connection_type: UNTHREADED EXTERNAL TUBE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, surface_treatment: PASSIVATE OVERALL, nominal_thread_size: 0.438 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-125-8336, 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
MBEU-66573-2
NSN: 4730-01-125-8336
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: U1604 — MARTIN-BAKER AIRCRAFT COMPANY LIMITED (GBR)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SECOND END A
connection_typeUNTHREADED EXTERNAL TUBE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.438 INCHES SECOND END IN
nominal_overall_length1.125 INCHES IN
thread_quantity_per_inch20 SECOND END
thread_series_designatorUNF SECOND END
material_document_and_classificationS143D,FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE OVERALL
reduced_passage_nominal_inside_diameter0.315 INCHES ALL ENDS IN
NSN4730-01-125-8336
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MBEU-66573-2 · 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
KEY FEATURES
•
CONNECTION STYLE: GROOVED (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.125 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: S143D,FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.315 INCHES ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEGROOVED (TUBE) FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH1.125 INCHES IN
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONS143D,FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE OVERALL
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.315 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A SECOND END A
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MBEU-66573-2?
MBEU-66573-2 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What is the NSN for MBEU-66573-2?
MBEU-66573-2 is cataloged in the U.S. Government catalog under NSN 4730-01-125-8336. This indicates validated use in U.S. government and defense supply chains.
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