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Technical Data Sheet
PartsTable / COMPONENT / M1183/3-03-G
M1183/3-03-G ✓ 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 M1183/3-03-G 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 4730-00-542-5102, 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
M1183/3-03-G
NSN: 4730-00-542-5102
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM1183/3-03-G
NSN4730-00-542-5102
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M1183/3-03-G · 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 PIPE SIZE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
CONNECTION STYLE: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
•
FURNISHED ITEMS AND QUANTITY: 2 BRAZING RING
•
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: STANDARD ALL ENDS
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
•
MATERIAL: COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
•
STYLE DESIGNATOR: PLAIN W/CONCAVE SIDES
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION23N SHIP, OHIO CLASS SSN (TRIDENT)
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS IN
CONNECTION STYLESTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
FURNISHED ITEMS AND QUANTITY2 BRAZING RING
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSTANDARD ALL ENDS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
MATERIALCOPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
STYLE DESIGNATORPLAIN W/CONCAVE SIDES
SPECIFICATION/STANDARD DATA81349-MIL-F-1183 GOVERNMENT SPECIFICATION
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
214-5901-199293PCF5067Interchangeable
interchangeable cross-reference
interchangeable
320-3803-1438614PCF3Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0121A01DLPQInterchangeable
interchangeable cross-reference
interchangeable
4699265F3Interchangeable
interchangeable cross-reference
interchangeable
MILF1183CPL2-5IInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-1183Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1183/3-03-G?
M1183/3-03-G is a M1183/3-03-G.
What parts can replace M1183/3-03-G?
There are 27 known substitutes for M1183/3-03-G: 214-5901-199293PCF5067, 320-3803-1438614PCF3, CS4730-0121A01DLPQ and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1183/3-03-G?
M1183/3-03-G is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-5102. 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