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Technical Data Sheet
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MS15011 ✓ 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 COUPLING ASSEMBLY,HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED EXTERNAL HOSE ALL ENDS, connection_style: BARBED OR BEADED (HOSE) ALL ENDS, special_features: CONSISTS OF TWO EACH GLANDS AND OXYGEN NUTS COUPLED BY CENTER NIPPLE,9/16-18 UNF RH THD ENDS, union_joint_location: FIRST END AND FOURTH END, nominal_overall_length: 4.794 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9710, 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
MS15011
NSN: 4730-00-277-9710
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED EXTERNAL HOSE ALL ENDS
connection_styleBARBED OR BEADED (HOSE) ALL ENDS
special_featuresCONSISTS OF TWO EACH GLANDS AND OXYGEN NUTS COUPLED BY CENTER NIPPLE,9/16-18 UNF RH THD ENDS
union_joint_locationFIRST END AND FOURTH END
nominal_overall_length4.794 INCHES IN
nominal_inside_diameter_hose_accommodated0.375 INCHES ALL ENDS IN
NSN4730-00-277-9710
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS15011 · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
UNION JOINT LOCATION: FIRST END AND FOURTH END
•
CONNECTION STYLE: BARBED OR BEADED (HOSE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 4.794 INCHES IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE ALL ENDS
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
UNION JOINT LOCATIONFIRST END AND FOURTH END
CONNECTION STYLEBARBED OR BEADED (HOSE) ALL ENDS
NOMINAL OVERALL LENGTH4.794 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE ALL ENDS
SPECIAL FEATURESCONSISTS OF TWO EACH GLANDS AND ACETYLENE NUTS COUPLED BY NIPPLE,9/16-18 UNF LH THD ENDS
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.375 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
0381-0678Interchangeable
interchangeable cross-reference
interchangeable
ST1800Interchangeable
interchangeable cross-reference
interchangeable
ST1100Interchangeable
interchangeable cross-reference
interchangeable
AA55826-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-13880Interchangeable
interchangeable cross-reference
interchangeable
A-A-55826Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS15011?
MS15011 is a COUPLING ASSEMBLY,HOSE.
What parts can replace MS15011?
There are 9 known substitutes for MS15011: 0381-0678, ST1800, ST1100 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS15011?
MS15011 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9710. 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