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Technical Data Sheet
PartsTable / COMPONENT / MS49000-19
MS49000-19 ✓ 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 REDUCER,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, connection_type: EXTERNAL QUICK DISCONNECT, special_features: SECOND CONNECTION TYPE, INTERNAL, surface_treatment: ANODIZE BODY, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, quick_disconnect_method: CAM-LOCKING ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-186-0821, 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
MS49000-19
NSN: 4730-01-186-0821
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY BODY
connection_typeEXTERNAL QUICK DISCONNECT
special_featuresSECOND CONNECTION TYPE, INTERNAL
surface_treatmentANODIZE BODY
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
quick_disconnect_methodCAM-LOCKING ALL ENDS
furnished_items_and_quantity1 GASKET
quick_disconnect_nominal_size4.000 INCHES FIRST QUICK DISCONNECT END IN
material_document_and_classificationQQ-A-601, T6 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-601, T5 FED SPEC 2ND MATERIAL RESPONSE BODY
surface_treatment_document_and_classificationMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
NSN4730-01-186-0821
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS49000-19 · 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
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
•
QUICK DISCONNECT NOMINAL SIZE: 2.000 INCHES SECOND QUICK DISCONNECT END IN
•
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT
•
SURFACE TREATMENT: ANODIZE BODY
•
MATERIAL: ALUMINUM ALLOY BODY
•
FURNISHED ITEMS AND QUANTITY: 1 GASKET
TECHNICAL CHARACTERISTICS (FLIS)
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
QUICK DISCONNECT NOMINAL SIZE2.000 INCHES SECOND QUICK DISCONNECT END IN
CONNECTION TYPEEXTERNAL QUICK DISCONNECT
QUICK DISCONNECT NOMINAL SIZE4.000 INCHES FIRST QUICK DISCONNECT END IN
SPECIAL FEATURESSECOND CONNECTION TYPE, INTERNAL
SURFACE TREATMENTANODIZE BODY
MATERIALALUMINUM ALLOY BODY
FURNISHED ITEMS AND QUANTITY1 GASKET
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
633BA-4X6ALInterchangeable
interchangeable cross-reference
interchangeable
633BA-4X6Interchangeable
interchangeable cross-reference
interchangeable
MS49000-23Interchangeable
interchangeable cross-reference
interchangeable
MS49000-15Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326/12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS49000-19?
MS49000-19 is a REDUCER,QUICK DISCONNECT.
What parts can replace MS49000-19?
There are 27 known substitutes for MS49000-19: 633BA-4X6AL, 633BA-4X6, MS49000-23 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS49000-19?
MS49000-19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-186-0821. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026