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Technical Data Sheet
PartsTable / COMPONENT / M83798/5-5
M83798/5-5 ✓ 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 M83798/5-5 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 4730-01-136-0765, 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
M83798/5-5
NSN: 4730-01-136-0765
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM83798/5-5
NSN4730-01-136-0765
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M83798/5-5 · 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: GRIPPING NIPPLE (NOSE) SECOND END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLOW ANGLE: 45.0 DEGREES
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.281 INCHES SECOND END IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES FIRST END IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
CONNECTION STYLESWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FLOW ANGLE45.0 DEGREES
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.281 INCHES SECOND END IN
SURFACE TREATMENTANODIZE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END IN
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.486 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
M83798/5-12Interchangeable
interchangeable cross-reference
interchangeable
880112-12DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798/5Interchangeable
interchangeable cross-reference
interchangeable
136-2045-16DInterchangeable
interchangeable cross-reference
interchangeable
25636-16-16DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83798/5-5?
M83798/5-5 is a M83798/5-5.
What parts can replace M83798/5-5?
There are 16 known substitutes for M83798/5-5: M83798/5-12, 880112-12D, MIL-DTL-83798/5 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M83798/5-5?
M83798/5-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-136-0765. 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