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Technical Data Sheet
PartsTable / COMPONENT / MIL-DTL-38726
MIL-DTL-38726 ✓ 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 HOSE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END3B FIRST END, connection_type: THREADED EXTERNAL HOSE GRIPPING SECOND END, connection_style: GRIPPING NIPPLE (NOSE) SECOND END, surface_treatment: ANODIZE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-5686, 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
MIL-DTL-38726
NSN: 4730-00-278-5686
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 7075 OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END3B FIRST END
connection_typeTHREADED EXTERNAL HOSE GRIPPING SECOND END
connection_styleGRIPPING NIPPLE (NOSE) SECOND END
surface_treatmentANODIZE OVERALL
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.438 INCHES FIRST END0.438 INCHES FIRST END IN
nominal_overall_length1.594 INCHES IN
end_item_identificationGRUMMAN A10 AIRCRAFT, 23N SHIP, OHIO CLASS SSN (TRIDENT)GRUMMAN A10 AIRCRAFT, 23N SHIP, OHIO CLASS SSN (TRIDENT)
thread_series_designatorUNF FIRST END
specification/standard_data96906-MS27404 GOVERNMENT STANDARD
NSN4730-00-278-5686
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-DTL-38726 · 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: 0.435 INCHES SECOND END IN
•
FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OVERALL LENGTH: 2.000 INCHES IN
•
NOMINAL THREAD SIZE: 0.562 INCHES FIRST END IN
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.435 INCHES SECOND END IN
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH2.000 INCHES IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF FIRST END
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
THREAD CLASS3B FIRST END
SEAT ANGLE37.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
471-3DInterchangeable
interchangeable cross-reference
interchangeable
56703Interchangeable
interchangeable cross-reference
interchangeable
MS27404D-3Interchangeable
interchangeable cross-reference
interchangeable
MS27404-2DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-38726Interchangeable
interchangeable cross-reference
interchangeable
AN773-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-38726?
MIL-DTL-38726 is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace MIL-DTL-38726?
There are 22 known substitutes for MIL-DTL-38726: 471-3D, 56703, MS27404D-3 and 19 more. Substitute compatibility should be verified for your specific system.
Is MIL-DTL-38726 still available?
MIL-DTL-38726 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