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PartsTable / COMPONENT / M83798/1-12
M83798/1-12 ✓ 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 M83798/1-12 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-541-1957, 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
M83798/1-12
NSN: 4730-00-541-1957
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM83798/1-12
NSN4730-00-541-1957
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M83798/1-12 · 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 (HOSE) SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
•
FURNISHED ITEMS AND QUANTITY: 1 HOSE SOCKET
•
SPECIFICATION/STANDARD DATA: 81349-MIL-DTL-83798 GOVERNMENT SPECIFICATION
•
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
•
NOMINAL OVERALL LENGTH: 2.297 INCHES IN
•
SURFACE TREATMENT: ANODIZE OUTSIDE
•
SEAT ANGLE: 37.0 DEGREES FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEGRIPPING (HOSE) SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
FURNISHED ITEMS AND QUANTITY1 HOSE SOCKET
SPECIFICATION/STANDARD DATA81349-MIL-DTL-83798 GOVERNMENT SPECIFICATION
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
NOMINAL OVERALL LENGTH2.297 INCHES IN
SURFACE TREATMENTANODIZE OUTSIDE
SEAT ANGLE37.0 DEGREES FIRST END
THREAD CLASS3B FIRST END
NOMINAL THREAD SIZE1.062 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
136-1000-20DInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-83798Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798/1Interchangeable
interchangeable cross-reference
interchangeable
136-1000-16DInterchangeable
interchangeable cross-reference
interchangeable
M83798/1-16Interchangeable
interchangeable cross-reference
interchangeable
M83798/1-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83798/1-12?
M83798/1-12 is a M83798/1-12.
What parts can replace M83798/1-12?
There are 24 known substitutes for M83798/1-12: 136-1000-20D, MIL-F-83798, MIL-DTL-83798/1 and 21 more. Substitute compatibility should be verified for your specific system.
Is M83798/1-12 still available?
M83798/1-12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026