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Technical Data Sheet
PartsTable / COMPONENT / CMC-4-5511-04-04
CMC-4-5511-04-04 ✓ 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 ADAPTER,STRAIGHT,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2B FIRST END, connection_style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.438 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-057-6456, 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-4-5511-04-04
NSN: 4730-00-057-6456
FSC: 4730
CAGE: 53159 — CUSTOM HYDRAULIC & MACHINE, INC. DBA CUSTOM HYDRAULIC & MACHINE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class2B FIRST END
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.438 INCHES FIRST END IN
maximum_operating_temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.750 INCHES IN
thread_series_designatorUNF FIRST END
furnished_items_and_quantity1 HOSE COUPLING NUT
nominal_inside_diameter_hose_accommodated0.190 INCHES SECOND END IN
nominal_outside_diameter_hose_accommodated0.520 INCHES SECOND END IN
NSN4730-00-057-6456
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CMC-4-5511-04-04 · 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: STEEL COMP 316 OVERALL
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.190 INCHES SECOND END IN
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.520 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
THREAD SERIES DESIGNATOR: UNF FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 316 OVERALL
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.190 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.520 INCHES SECOND END IN
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL OVERALL LENGTH1.750 INCHES IN
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MIL-F-24787/2 VIII TYA 1/4-4Interchangeable
interchangeable cross-reference
interchangeable
20622-4-4NAInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-24787/2 VIII TYA 1/4-4L1Interchangeable
interchangeable cross-reference
interchangeable
203SFQ4Interchangeable
interchangeable cross-reference
interchangeable
FFB171Interchangeable
interchangeable cross-reference
interchangeable
7503T1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CMC-4-5511-04-04?
CMC-4-5511-04-04 is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace CMC-4-5511-04-04?
There are 13 known substitutes for CMC-4-5511-04-04: MIL-F-24787/2 VIII TYA 1/4-4, 20622-4-4NA, MIL-F-24787/2 VIII TYA 1/4-4L1 and 10 more. Substitute compatibility should be verified for your specific system.
Is CMC-4-5511-04-04 still available?
CMC-4-5511-04-04 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026