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PartsTable / COMPONENT / MS24389D16
MS24389D16 ✓ 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 BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, leg_length: 2.062 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES THIRD END, thread_class: 3A THIRD END A, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 1.312 INCHES FIRST END BULKHEAD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-080-0334, 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
MS24389D16
NSN: 4730-00-080-0334
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
leg_length2.062 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES THIRD END
thread_class3A THIRD END A
surface_treatmentANODIZE OVERALL
nominal_thread_size1.312 INCHES FIRST END BULKHEAD IN
end_item_identificationHELICOPTER,MODEL CH-47
thread_quantity_per_inch12 FIRST END BULKHEAD
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) ALL ENDS
specification/standard_data81343-AS1032 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated1.000 INCHES THIRD END IN
NSN4730-00-080-0334
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS24389D16 · 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
•
THREAD CLASS: 3A FIRST END A
•
LEG LENGTH: 2.062 INCHES NOMINAL THIRD END IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT (UNJ) ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81343-AS1032 GOVERNMENT STANDARD
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES THIRD END IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A FIRST END A
LEG LENGTH2.062 INCHES NOMINAL THIRD END IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS
THREAD CLASS3A FIRST END BULKHEAD A
LEG LENGTH2.844 INCHES NOMINAL FIRST END IN
SPECIFICATION/STANDARD DATA81343-AS1032 GOVERNMENT STANDARD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES THIRD END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD QUANTITY PER INCH12 FIRST END BULKHEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
AN784D16Interchangeable
interchangeable cross-reference
interchangeable
AS4875/1Interchangeable
Same NIIN cross-reference
interchangeable
SAE-AS4875/1Interchangeable
Same NIIN cross-reference
interchangeable
AS1032D161616Interchangeable
Same NIIN cross-reference
interchangeable
AS1032Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS24389D16?
MS24389D16 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MS24389D16?
There are 5 known substitutes for MS24389D16: AN784D16, AS4875/1, SAE-AS4875/1 and 2 more. Substitute compatibility should be verified for your specific system.
Is MS24389D16 still available?
MS24389D16 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