NSN 4720-00-446-1291, 4720004461291
HOSE ASSEMBLY,NONMETALLIC

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 004461291
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 4720-00-446-1291

National Stock Number (NSN) 4720-00-446-1291, or NIIN 004461291, (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 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 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 4720004461291 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD ERR-100
UNABLE TO DECODE: (CRLL) UNABLE TO DECODE
UNABLE TO DECODE: (CQHW) UNABLE TO DECODE
SECOND END SWIVEL ACTION CAPABILITY: (CRZY) NOT INCLUDED
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED COTTON CORD ERR-100
UNABLE TO DECODE: (CRBL) UNABLE TO DECODE
END CONNECTION DESIGN: (AKUU) ELBOW 1ST END
END CONNECTION DESIGN: (AKUU) STRAIGHT 2ND END
BURST TEST PRESSURE: (CQBD) 8000.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) THREADED EXTERNAL PIPE 2ND END
CONNECTION TYPE: (AWLS) THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE: (AHNC) INVERTED FLARE 1ST END
CONNECTION STYLE: (AHNC) INVERTED FLARE 2ND END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
EXTERIOR COLOR: (ADJS) BLACK
FEATURES PROVIDED: (CBBL) ELECTROSTATIC DISCHARGE CAPABILITY
FLOW ANGLE: (CRFY) 15.0 DEGREES 1ST END
HYDROSTATIC TEST PRESSURE: (CRDW) 4000.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 0.406 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 1ST LAYER BRAIDED COTTON CORD AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD
OUTSIDE DIAMETER: (ABKV) 0.766 INCHES NOMINAL
MAXIMUM OPERATING PRESSURE: (CQGM) 2000.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 20.000 INCHES NOMINAL WORKING
MEDIA FOR WHICH DESIGNED: (MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MINIMUM INSIDE BENDING RADIUS: (ACKH) 4.620 INCHES
NOMINAL THREAD SIZE: (CQJX) 0.500 INCHES 2ND END
NOMINAL THREAD SIZE: (CQJX) 0.625 INCHES 1ST END
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) FUEL RESISTANT AND HYDRAULIC SOLUTION RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
SEAT ANGLE: (CQRB) 30.0 DEGREES 1ST END
SEAT ANGLE: (CQRB) 30.0 DEGREES 2ND END
TEMP RATING: (ABJH) -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 2ND END
THREAD CLASS: (AAJD) 2A 1ST END
THREAD SERIES DESIGNATOR: (THSD) NPTF 2ND END
THREAD SERIES DESIGNATOR: (THSD) UNF 1ST END
VACUUM IN TORR: (CRSM) 50.8
HOSE OR TUBING SPEC/STD DATA: (ADLF) MIL-H-8794 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.).
TEMP RATING: (ABJH) -65.0 DEG FAHRENHEIT AND 250.0 DEG FAHRENHEIT SINGLE RESPONSE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED