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Technical Data Sheet
PartsTable / COMPONENT / MIL-F-1183/11-36A4
MIL-F-1183/11-36A4 ✓ 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 MIL-F-1183/11-36A4 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 4730-00-542-5209, 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-F-1183/11-36A4
NSN: 4730-00-542-5209
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-F-1183/11-36A4
NSN4730-00-542-5209
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-F-1183/11-36A4 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MEDIA FOR WHICH DESIGNED: STEAM FIRST RESPONSE
•
FLOW ANGLE: 90.0 DEGREES
•
FURNISHED ITEMS AND QUANTITY: 2 BRAZING RING
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
NONDEFINITIVE SPEC/STD DATA: 36 SIZE AND A TYPE AND 4 CODE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
FLOW ANGLE90.0 DEGREES
SPECIAL FEATURESORING AND RETAINER RING INSTALLED
FURNISHED ITEMS AND QUANTITY2 BRAZING RING
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
NONDEFINITIVE SPEC/STD DATA36 SIZE AND A TYPE AND 4 CODE
SPECIFICATION/STANDARD DATA81349-MIL-F-1183J GOVERNMENT SPECIFICATION
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
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 MIL-F-1183/11-36A4?
MIL-F-1183/11-36A4 is a MIL-F-1183/11-36A4.
What parts can replace MIL-F-1183/11-36A4?
There are 22 known substitutes for MIL-F-1183/11-36A4: 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 MIL-F-1183/11-36A4?
MIL-F-1183/11-36A4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-5209. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026