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M83798/1-32L — Technical Data Sheet

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— · 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 2024 OR ALUMINUM ALLOY 6061 OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL HOSE GRIPPING SECOND END, connection_style: GRIPPING (HOSE) SECOND END, special_features: DRILLED FOR LOCKWIRE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-303-5932, 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
M83798/1-32L
NSN: 4730-01-303-5932
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED EXTERNAL HOSE GRIPPING SECOND END
connection_styleGRIPPING (HOSE) SECOND END
special_featuresDRILLED FOR LOCKWIRE
surface_treatmentANODIZE OVERALL
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size2.500 INCHES FIRST END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length3.250 INCHES IN
media_for_which_designedAERONAUTICAL FLUID SINGLE RESPONSE
NSN4730-01-303-5932
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M83798/1-32L · 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
•
SPECIFICATION/STANDARD DATA: 81349 - MIL-DTL-83798 GOVERNMENT SPECIFICATION
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 2.000 INCHES FIRST END IN
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.800 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 3.250 INCHES IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 2.200 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349 - MIL-DTL-83798 GOVERNMENT SPECIFICATION
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.000 INCHES FIRST END IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.800 INCHES SECOND END IN
NOMINAL OVERALL LENGTH3.250 INCHES IN
SPECIAL FEATURESDRILLED FOR LOCKWIRE
SURFACE TREATMENTANODIZE OVERALL
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED2.200 INCHES SECOND END IN
MATERIALALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL
FURNISHED ITEMS AND QUANTITY1 HOSE SOCKET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
136-2045-16DInterchangeable
interchangeable cross-reference
interchangeable
25636-16-16DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798/6Interchangeable
interchangeable cross-reference
interchangeable
M83798/6-16Interchangeable
interchangeable cross-reference
interchangeable
816-12DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83798/1-32L?
M83798/1-32L is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace M83798/1-32L?
There are 22 known substitutes for M83798/1-32L: 136-2045-16D, 25636-16-16D, MIL-DTL-83798 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83798/1-32L?
M83798/1-32L is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-303-5932. 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: September 2026