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M1183/11-38A4 — 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 922 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 4.500 INCHES NOMINAL FIRST END IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET W/ GROVE (PIPE) ALL ENDS, special_features: ORING AND RETAINER RING INSTALLED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-00-542-5211, 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
M1183/11-38A4
NSN: 4730-00-542-5211
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
flow_angle90.0 DEGREES
leg_length4.500 INCHES NOMINAL FIRST END IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET W/ GROVE (PIPE) ALL ENDS
special_featuresORING AND RETAINER RING INSTALLED
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
union_joint_locationFIRST END
maximum_operating_temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
end_item_identificationSHIPBOARD APPLICATION
media_for_which_designedSTEAM FIRST RESPONSE
nondefinitive_spec/std_data48 SIZE AND A TYPE AND 4 CODE
NSN4730-00-542-5211
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M1183/11-38A4 · 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
•
TEST DATA DOCUMENT: 81349-MIL-F-1183 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
FLOW ANGLE: 90.0 DEGREES
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
•
LEG LENGTH: 2.500 INCHES NOMINAL SECOND END IN
TECHNICAL CHARACTERISTICS
TEST DATA DOCUMENT81349-MIL-F-1183 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
FLOW ANGLE90.0 DEGREES
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
LEG LENGTH2.500 INCHES NOMINAL SECOND END IN
END ITEM IDENTIFICATIONSHIPBOARD APPLICATION
MATERIALCOPPER ALLOY 922 OVERALL
LEG LENGTH4.500 INCHES NOMINAL FIRST 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 M1183/11-38A4?
M1183/11-38A4 is a ELBOW,TUBE.
What parts can replace M1183/11-38A4?
There are 22 known substitutes for M1183/11-38A4: 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 M1183/11-38A4?
M1183/11-38A4 is cataloged in the Federal Logistics Information System under NSN 4730-00-542-5211. 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