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Technical Data Sheet

M83798/2-20 — Technical Data Sheet

✓ 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 ADAPTER,STRAIGHT,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, flow_angle: 45.0 DEGREES, leg_length: 1.406 INCHES NOMINAL FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-00-891-1947, 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
M83798/2-20
NSN: 4730-00-891-1947
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
flow_angle45.0 DEGREES
leg_length1.406 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
surface_treatmentANODIZE OUTSIDE
nominal_thread_size1.625 INCHES FIRST END IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
furnished_items_and_quantity1 HOSE COUPLING NUT
NSN4730-00-891-1947
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M83798/2-20 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT
•
SURFACE TREATMENT: ANODIZE INSIDE
•
THREAD SERIES DESIGNATOR: UN FIRST END
•
THREAD QUANTITY PER INCH: 12 FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 1.422 INCHES SECOND END IN
•
FLOW ANGLE: 45.0 DEGREES
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
SURFACE TREATMENTANODIZE INSIDE
THREAD SERIES DESIGNATORUN FIRST END
THREAD QUANTITY PER INCH12 FIRST END
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED1.422 INCHES SECOND END IN
SURFACE TREATMENTANODIZE OUTSIDE
FLOW ANGLE45.0 DEGREES
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.125 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
136-2045-16DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
25636-16-16DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-83798InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-83798/6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M83798/6-16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
136-1045-6DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83798/2-20?
M83798/2-20 is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace M83798/2-20?
There are 25 known substitutes for M83798/2-20: 136-2045-16D, 25636-16-16D, MIL-DTL-83798 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83798/2-20?
M83798/2-20 is cataloged in the Federal Logistics Information System under NSN 4730-00-891-1947. This indicates validated use in U.S. government and defense supply chains.
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