Product Details | TUBE REDUCER

4730-01-259-1686 A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes BUSHING (as modified).

Part Alternates: AS4328K0410, KC144C410, KC144C4-10, KC144K410, KC144K4-10, 4730-01-259-1686, 01-259-1686, 4730012591686, 012591686

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 14 JUL 1987 01-259-1686

Cross Reference | NSN 4730-01-259-1686

Part Number Cage Code Manufacturer
AS4328K0410 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
KC144C4-10 22264 JOHN F KENNEDY SPACE CENTER DBA NASA
KC144K4-10 22264 JOHN F KENNEDY SPACE CENTER DBA NASA

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Technical Data | NSN 4730-01-259-1686

Characteristic Specifications
MATERIAL STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE B64 FLARED 1ST END B64 FLARED 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END 0.625 INCHES 2ND END
THREAD SERIES DESIGNATOR UNF 1ST END UNF 2ND END
NOMINAL THREAD SIZE 0.438 INCHES 1ST END 0.875 INCHES 2ND END
THREAD CLASS 3A 1ST END 3A 2ND END
NOMINAL OVERALL LENGTH 2.345 INCHES
REDUCER TYPE CONCENTRIC
SPECIAL FEATURES KC144C4-10; MACHINED GROOVE IN FLARED ENDS TO ACCOMMODATE SEAL RINGS PER KC103
CRITICALITY CODE JUSTIFICATION FEAT

Restrictions/Controls & Freight Information | NSN 4730-01-259-1686

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
No Freight Information