NSN 4720-00-631-9334, 4720006319334
HOSE ASSEMBLY,NONMETALLIC

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 006319334
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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4720-00-631-9334

National Stock Number (NSN) 4720-00-631-9334, or NIIN 006319334, (hose assembly,nonmetallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 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 4720006319334 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
FLANGE THICKNESS: (ABKU) 0.375 INCHES NOMINAL 2ND END
CONNECTION STYLE: (AHNC) RAISED 2ND END
RAISED FACE HEIGHT: (AJED) 0.062 INCHES NOMINAL 1ST END
END FLANGE CONSTRUCTION: (AKUT) SOLID 2ND END
LAYER COMPOSITION AND LOCATION: (CQCS) 3RD LAYER BRAIDED WIRE
UNABLE TO DECODE: (CRLL) UNABLE TO DECODE
EXTERIOR COLOR: (ADJS) BLACK
FLANGE OUTSIDE DIAMETER: (AEPR) 2.062 INCHES NOMINAL 2ND END
RAISED FACE HEIGHT: (AJED) 0.196 INCHES NOMINAL 2ND END
END CONNECTION DESIGN: (AKUU) ELBOW 1ST END
END CONNECTION DESIGN: (AKUU) ELBOW 2ND END
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER MOLDED RUBBER
UNABLE TO DECODE: (CRBL) UNABLE TO DECODE
MEDIA FOR WHICH DESIGNED: (MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) INCLUDED
SECOND END SWIVEL ACTION CAPABILITY: (CRZY) NOT INCLUDED
FLANGE STYLE: (CTCJ) RECTANGULAR (INCLUDES SQUARE) 1ST END
SPECIAL FEATURES: (FEAT) INNER CONVEYING TUBE MATERIAL-RUBBER, SYNTHETIC
UNABLE TO DECODE: (ADLG) UNABLE TO DECODE
END FITTING COMPONENT AND MATERIAL: (AKXL) COMPLETE FITTING ALUMINUM ALLOY ALL ENDS
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED FABRIC AND 2ND LAYER MOLDED RUBBER AND 3RD LAYER BRAIDED WIRE AND OUTER LAYER MOLDED RUBBER
LAYER COMPOSITION AND LOCATION: (CQCS) 2ND LAYER MOLDED RUBBER
FLOW ANGLE: (CRFY) 45.0 DEGREES 1ST END
FLOW ANGLE: (CRFY) 90.0 DEGREES 2ND END
FLANGE STYLE: (CTCJ) ROUND W/ OUT BOLT HOLES 2ND END
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: (ADUY) 1.812 INCHES NOMINAL 1ST END
FLANGE WIDTH: (AGFF) 2.375 INCHES NOMINAL 1ST END
RAISED FACE DIAMETER: (AJEE) 1.500 INCHES NOMINAL 2ND END
CONNECTION TYPE: (AWLS) RAISED FACE FLANGE 1ST END
UNABLE TO DECODE: (CQBG) UNABLE TO DECODE
BOLT HOLE QUANTITY: (AECS) 4 1ST END
FITTING COMPONENT AND SURFACE TREATMENT: (AKXM) COMPLETE FITTING ANODIZE 1ST END
INSIDE DIAMETER: (AARX) 1.250 INCHES NOMINAL
CONNECTION STYLE: (AHNC) RAISED SWIVEL 1ST END
UNABLE TO DECODE: (CQBB) UNABLE TO DECODE
UNABLE TO DECODE: (CRZY) UNABLE TO DECODE
FIRST END FITTING SPEC/STD DATA: (ADLG) MS28749-D24 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
UNABLE TO DECODE: (CQHW) UNABLE TO DECODE
FLANGE THICKNESS: (ABKU) 0.359 INCHES NOMINAL 1ST END
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
FLANGE LENGTH: (AFQN) 2.375 INCHES NOMINAL 1ST END
END FLANGE CONSTRUCTION: (AKUT) SPLIT 1ST END
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
MEASURING METHOD AND LENGTH: (CRXX) 20.562 INCHES MINIMUM WORKING AND 20.740 INCHES MAXIMUM WORKING
RAISED FACE DIAMETER: (AJEE) 2.135 INCHES NOMINAL 1ST END
OUTSIDE DIAMETER: (ABKV) 2.000 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: (ADUZ) 1.812 INCHES NOMINAL 1ST END
BOLT HOLE DIAMETER: (AHNX) 0.266 INCHES NOMINAL 1ST END
CONNECTION TYPE: (AWLS) RAISED FACE FLANGE 2ND END
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
SPECIFICATION/STANDARD DATA: (ZZZK) MS28749-D24 NATIONAL STD/SPEC