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Technical Data Sheet
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M1183/11-33A3 — Technical Data Sheet

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— · 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 ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 3.560 INCHES NOMINAL SECOND END IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET W/ GROVE (PIPE) ALL ENDS, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS, maximum_operating_temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-00-542-5214, 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
M1183/11-33A3
NSN: 4730-00-542-5214
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length3.560 INCHES NOMINAL SECOND END IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET W/ GROVE (PIPE) ALL ENDS
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
maximum_operating_temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
end_item_identificationSEA WATER PIPING SYSTEMS
media_for_which_designedWATER-OIL-GAS SECOND RESPONSE
nondefinitive_spec/std_data33 SIZE AND A TYPE AND 3 CODE
specification/standard_data81349-MIL-F-1183J GOVERNMENT SPECIFICATION
furnished_items_and_quantity3 BRAZING RING
nominal_pipe_size_accommodated4.000 INCHES ALL ENDS IN
NSN4730-00-542-5214
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M1183/11-33A3 · 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 DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 33 SIZE AND A TYPE AND 3 CODE
•
NOMINAL PIPE SIZE ACCOMMODATED: 4.000 INCHES ALL ENDS IN
•
FURNISHED ITEMS AND QUANTITY: 3 BRAZING RING
•
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA33 SIZE AND A TYPE AND 3 CODE
NOMINAL PIPE SIZE ACCOMMODATED4.000 INCHES ALL ENDS IN
FURNISHED ITEMS AND QUANTITY3 BRAZING RING
END ITEM IDENTIFICATIONSEA WATER PIPING SYSTEMS
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
LEG LENGTH3.560 INCHES NOMINAL SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MIL-DTL-1183/11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M1183/11-43A34InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
150-410GPC346InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CS4730-0120A66GLPQInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-F-1183/11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M1183/11-33A34InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1183/11-33A3?
M1183/11-33A3 is a ELBOW,TUBE.
What parts can replace M1183/11-33A3?
There are 22 known substitutes for M1183/11-33A3: 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 M1183/11-33A3?
M1183/11-33A3 is cataloged in the Federal Logistics Information System under NSN 4730-00-542-5214. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026