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Technical Data Sheet
PartsTable / COMPONENT / M83798/9-16
M83798/9-16 ✓ 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 M83798/9-16 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-078-8600, 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
M83798/9-16
NSN: 4730-01-078-8600
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM83798/9-16
NSN4730-01-078-8600
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M83798/9-16 · 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
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.875 INCHES SECOND END IN
•
CONNECTION STYLE: GRIPPING NIPPLE (NOSE) SECOND END
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
FLANGE SHAPE: ROUND FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
•
SPECIFICATION/STANDARD DATA: 81349-MIL-DTL-83798/9 GOVERNMENT SPECIFICATION
•
NOMINAL THICKNESS: 0.315 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.875 INCHES SECOND END IN
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
MATERIALALUMINUM ALLOY OVERALL
FLANGE SHAPEROUND FIRST END
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
CONNECTION TYPEFLANGE FIRST END
SPECIFICATION/STANDARD DATA81349-MIL-DTL-83798/9 GOVERNMENT SPECIFICATION
NOMINAL THICKNESS0.315 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED1.140 INCHES SECOND END IN
LEG LENGTH2.843 INCHES NOMINAL SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
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
136-1045-6DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83798/9-16?
M83798/9-16 is a M83798/9-16.
What parts can replace M83798/9-16?
There are 28 known substitutes for M83798/9-16: 136-2045-16D, 25636-16-16D, MIL-DTL-83798 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83798/9-16?
M83798/9-16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-078-8600. 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