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Technical Data Sheet
PartsTable / COMPONENT / M1183/11-44N4
M1183/11-44N4 ✓ 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 M1183/11-44N4 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 4730-00-542-5215, 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
M1183/11-44N4
NSN: 4730-00-542-5215
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM1183/11-44N4
NSN4730-00-542-5215
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M1183/11-44N4 · 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 OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.050 INCHES FIRST END IN
•
MEDIA FOR WHICH DESIGNED: AIR SECOND RESPONSE
•
MATERIAL: COPPER ALLOY OVERALL
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM THIRD RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.050 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDOIL THIRD RESPONSE
MATERIALCOPPER ALLOY OVERALL
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
SPECIAL FEATURESW/INTERNALLY SMOOTH SOCKETS
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM THIRD RESPONSE LBS
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FOURTH RESPONSE LBS
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.050 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MIL-DTL-1183/11Interchangeable
interchangeable cross-reference
interchangeable
M1183/11-43A34Interchangeable
interchangeable cross-reference
interchangeable
150-410GPC346Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0120A66GLPQInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-1183/11Interchangeable
interchangeable cross-reference
interchangeable
M1183/11-33A34Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1183/11-44N4?
M1183/11-44N4 is a M1183/11-44N4.
What parts can replace M1183/11-44N4?
There are 22 known substitutes for M1183/11-44N4: MIL-DTL-1183/11, M1183/11-43A34, 150-410GPC346 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1183/11-44N4?
M1183/11-44N4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-5215. 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