NSN 4720-00-027-0144, 4720000270144
HOSE ASSEMBLY,NONMETALLIC

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 000270144
Codification Country: United States
Item Name Code: INC 20311
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 4720-00-027-0144

National Stock Number (NSN) 4720-00-027-0144, or NIIN 000270144, (hose assembly,nonmetallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 10 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 20311. [A LENGTH OF NONMETALLIC HOSE WITH FITTINGS ON ONE OR BOTH ENDS. FOR ITEMS WITHOUT FITTINGS, SEE HOSE, NONMETALLIC. EXCLUDES HOSE ASSEMBLY, AIR DUCT; AND HOSE ASSEMBLY, AIR DUCT, AIR BREATHING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4720000270144 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

UNABLE TO DECODE: (CRLL) UNABLE TO DECODE
END CONNECTION DESIGN: (AKUU) ELBOW 2ND END
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
END FLANGE CONSTRUCTION: (AKUT) SOLID 1ST END
END FLANGE CONSTRUCTION: (AKUT) SOLID 2ND END
BURST TEST PRESSURE: (CQBD) 10000.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) PLAIN FACE FLANGE 1ST END
CONNECTION TYPE: (AWLS) PLAIN FACE FLANGE 2ND END
CONNECTION STYLE: (AHNC) PLAIN 1ST END
CONNECTION STYLE: (AHNC) PLAIN 2ND END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
FLANGE OUTSIDE DIAMETER: (AEPR) 1.750 INCHES NOMINAL 1ST END
FLANGE OUTSIDE DIAMETER: (AEPR) 1.750 INCHES NOMINAL 2ND END
FLANGE THICKNESS: (ABKU) 0.500 INCHES NOMINAL 1ST END
FLANGE THICKNESS: (ABKU) 0.500 INCHES NOMINAL 2ND END
FLANGE STYLE: (CTCJ) ROUND W/ OUT BOLT HOLES 1ST END
FLANGE STYLE: (CTCJ) ROUND W/ OUT BOLT HOLES 2ND END
FLOW ANGLE: (CRFY) 90.0 DEGREES 2ND END
HYDROSTATIC TEST PRESSURE: (CRDW) 8000.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 1.250 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER SPIRALLY LAID STEEL WIRE AND 2ND LAYER SPIRALLY LAID STEEL WIRE AND 3RD LAYER SPIRALLY LAID STEEL WIRE AND 4TH LAYER SPIRALLY LAID STEEL WIRE AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
MAXIMUM OPERATING PRESSURE: (CQGM) 4000.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 40.000 INCHES NOMINAL WORKING
MEDIA FOR WHICH DESIGNED: (MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 100R10 TYPE
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) OIL RESISTANT AND OZONE RESISTANT
OUTSIDE DIAMETER: (ABKV) 2.000 INCHES NOMINAL
SPECIFICATION/STANDARD DATA: (ZZZK) 96906-MS39318 GOVERNMENT STANDARD
TEMP RATING: (ABJH) -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE
UNABLE TO DECODE: (CQHW) UNABLE TO DECODE
LAYER COMPOSITION AND LOCATION: (CQCS) 2ND LAYER SPIRALLY LAID STEEL WIRE ERR-100
UNABLE TO DECODE: (CRBL) UNABLE TO DECODE
LAYER COMPOSITION AND LOCATION: (CQCS) 4TH LAYER SPIRALLY LAID STEEL WIRE ERR-100
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
SECOND END SWIVEL ACTION CAPABILITY: (CRZY) NOT INCLUDED
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER MOLDED RUBBER, CHLOROPRENE ERR-100
LAYER COMPOSITION AND LOCATION: (CQCS) 3RD LAYER SPIRALLY LAID STEEL WIRE ERR-100
HOSE OR TUBING SPEC/STD DATA: (ADLF) MIL-H-52471/6-20 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.).
FIRST END FITTING SPEC/STD DATA: (ADLG) MIL MS39286 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
TEMP RATING: (ABJH) -40.0 DEG FAHRENHEIT AND 212.0 DEG FAHRENHEIT SINGLE RESPONSE
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
SECOND END FITTING SPEC/STD DATA: (ADLH) MIL MS39288 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).