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Technical Data Sheet
PartsTable / COMPONENT / CMC-4-5904-12-12
CMC-4-5904-12-12 ✓ 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

ADAPTER,STRAIGHT,FLANGE TO HOSE. Key specifications include material: NICKEL ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 4.510 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED EXTERNAL HOSE ALL ENDS, connection_style: SPIRALED (HOSE) ALL ENDS, operating_pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-119-6891, 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
CMC-4-5904-12-12
NSN: 4730-01-119-6891
FSC: 4730
CAGE: 53159 — CUSTOM HYDRAULIC & MACHINE, INC. DBA CUSTOM HYDRAULIC & MACHINE INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length4.510 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED EXTERNAL HOSE ALL ENDS
connection_styleSPIRALED (HOSE) ALL ENDS
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
nondefinitive_spec/std_data4 CLASS AND D TYPE
specification/standard_data81349-MIL-H-24135 GOVERNMENT SPECIFICATION
material_document_and_classificationMIL-T-1368,TYPE 1,COND 1 MIL SPEC SINGLE MATERIAL RESPONSE ELBOW
nominal_inside_diameter_hose_accommodated0.750 INCHES ALL ENDS IN
NSN4730-01-119-6891
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CMC-4-5904-12-12 · 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
•
OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MATERIAL: NICKEL ALLOY OVERALL
•
FLOW ANGLE: 90.0 DEGREES
•
NONDEFINITIVE SPEC/STD DATA: 4 CLASS AND D TYPE
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-24135 GOVERNMENT SPECIFICATION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288,COMP B FED SPEC SINGLE MATERIAL RESPONSE NIPPLE
•
LEG LENGTH: 4.510 INCHES NOMINAL ALL ENDS IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALNICKEL ALLOY OVERALL
FLOW ANGLE90.0 DEGREES
NONDEFINITIVE SPEC/STD DATA4 CLASS AND D TYPE
SPECIFICATION/STANDARD DATA81349-MIL-H-24135 GOVERNMENT SPECIFICATION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288,COMP B FED SPEC SINGLE MATERIAL RESPONSE NIPPLE
LEG LENGTH4.510 INCHES NOMINAL ALL ENDS IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE ALL ENDS
CONNECTION STYLESPIRALED (HOSE) ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286,CL-A OR B FED SPEC SINGLE MATERIAL RESPONSE SOCKET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MIL-H-24135L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-24135Interchangeable
interchangeable cross-reference
interchangeable
FC7183-1212-4L1Interchangeable
interchangeable cross-reference
interchangeable
19-02-1403Interchangeable
Same NIIN cross-reference
interchangeable
MIL-F-24787Interchangeable
Same NIIN cross-reference
interchangeable
FC7183-1212-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CMC-4-5904-12-12?
CMC-4-5904-12-12 is a ADAPTER,STRAIGHT,FLANGE TO HOSE.
What parts can replace CMC-4-5904-12-12?
There are 6 known substitutes for CMC-4-5904-12-12: MIL-H-24135L1, MIL-H-24135, FC7183-1212-4L1 and 3 more. Substitute compatibility should be verified for your specific system.
Is CMC-4-5904-12-12 still available?
CMC-4-5904-12-12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026