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PartsTable / COMPONENT / CMC-4-5902-16-20
CMC-4-5902-16-20 ✓ 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,HOSE TO BOSS is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: GRIPPING NIPPLE (NOSE) FIRST END, special_features: FEATURES MUST CONFORM TO SPECIAL QUALITY CONTROL PROVISIONS FOR (HX) PROPULSION, operating_pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-239-5792, 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-4-5902-16-20
NSN: 4730-00-239-5792
FSC: 4730
CAGE: 58217 — WESTERN INTEGRATED TECHNOLOGIES, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleGRIPPING NIPPLE (NOSE) FIRST END
special_featuresFEATURES MUST CONFORM TO SPECIAL QUALITY CONTROL PROVISIONS FOR (HX) PROPULSION
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size2.312 INCHES SECOND END IN
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length4.200 INCHES IN
thread_quantity_per_inch12 SECOND END
thread_series_designatorUN SECOND END
nondefinitive_spec/std_data1 TYPE
NSN4730-00-239-5792
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CMC-4-5902-16-20 · 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
•
THREAD CLASS: 2A SECOND END A
•
CONNECTION STYLE: GRIPPING NIPPLE (NOSE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
FURNISHED ITEMS AND QUANTITY: 1 SOCKET SEGMENT AND 2 BOLT
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.250 INCHES FIRST END IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
NOMINAL OVERALL LENGTH: 4.200 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A SECOND END A
CONNECTION STYLEGRIPPING NIPPLE (NOSE) FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
FURNISHED ITEMS AND QUANTITY1 SOCKET SEGMENT AND 2 BOLT
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.250 INCHES FIRST END IN
SPECIAL FEATURESFEATURES MUST CONFORM TO SPECIAL QUALITY CONTROL PROVISIONS FOR (HX) PROPULSION
NONDEFINITIVE SPEC/STD DATA1 TYPE
NOMINAL OVERALL LENGTH4.200 INCHES IN
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE2.312 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
MILS19500-124Interchangeable
interchangeable cross-reference
interchangeable
353-6463-430Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-24136/2Interchangeable
interchangeable cross-reference
interchangeable
FC7181-2432-4Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-24787/3 GR XI TY CInterchangeable
interchangeable cross-reference
interchangeable
19-02-1200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CMC-4-5902-16-20?
CMC-4-5902-16-20 is a ADAPTER,STRAIGHT,HOSE TO BOSS.
What parts can replace CMC-4-5902-16-20?
There are 27 known substitutes for CMC-4-5902-16-20: MILS19500-124, 353-6463-430, MIL-H-24136/2 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CMC-4-5902-16-20?
CMC-4-5902-16-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-239-5792. 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