NSN 4720-00-737-2757, 4720007372757
HOSE ASSEMBLY,NONMETALLIC

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 007372757
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 4720-00-737-2757

National Stock Number (NSN) 4720-00-737-2757, or NIIN 007372757, (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 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 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 4720007372757 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

CONNECTION STYLE: (AHNC) UNABLE TO DECODE
UNABLE TO DECODE: (CRBL) UNABLE TO DECODE
END CONNECTION DESIGN: (AKUU) STRAIGHT FIRST END
END CONNECTION DESIGN: (AKUU) STRAIGHT SECOND END
BURST TEST PRESSURE: (CQBD) 12000.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) THREADED EXTERNAL PIPE SECOND END
CONNECTION TYPE: (AWLS) THREADED EXTERNAL TUBE FIRST END
CONNECTION STYLE: (AHNC) FLARED FIRST END
CONNECTION STYLE: (AHNC) PLAIN SECOND END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
FEATURES PROVIDED: (CBBL) ELECTROSTATIC DISCHARGE CAPABILITY
HYDROSTATIC TEST PRESSURE: (CRDW) 6000.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 0.188 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD
MEASURING METHOD AND LENGTH: (CRXX) 9.875 INCHES MINIMUM OVERALL AND 10.125 INCHES MAXIMUM OVERALL
MEDIA FOR WHICH DESIGNED: (MEDA) UNABLE TO DECODE
NOMINAL THREAD SIZE: (CQJX) 0.125 INCHES SECOND END
NOMINAL THREAD SIZE: (CQJX) 0.438 INCHES FIRST END
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) ABRASION RESISTANT AND FUEL RESISTANT AND LIGHT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND WATER RESISTANT
OUTSIDE DIAMETER: (ABKV) 0.500 INCHES MINIMUM AND 0.538 INCHES MAXIMUM
THREAD CLASS: (AAJD) 2A FIRST END
THREAD DIRECTION: (AAJF) RIGHT-HAND FIRST END
THREAD DIRECTION: (AAJF) RIGHT-HAND SECOND END
THREAD SERIES DESIGNATOR: (THSD) UNS FIRST END
THREAD QUANTITY PER INCH: (CMLP) 24 FIRST END
THREAD QUANTITY PER INCH: (CMLP) 27 SECOND END
THREAD SERIES DESIGNATOR: (THSD) NPTF SECOND END
UNABLE TO DECODE: (CQGM) UNABLE TO DECODE
THREAD QUANTITY PER INCH: (CMLP) 27 2ND END
LAYER COMPOSITION AND LOCATION: (CQCS) 2ND LAYER BRAIDED WIRE ERR-100
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD ERR-100
SECOND END SWIVEL ACTION CAPABILITY: (CRZY) NOT INCLUDED
THREAD SERIES DESIGNATOR: (THSD) UNABLE TO DECODE
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
THREAD QUANTITY PER INCH: (CMLP) 24 1ST END
THREAD QUANTITY PER INCH: (CMLP) UNABLE TO DECODE
NOMINAL THREAD SIZE: (CQJX) 0.125 INCHES 2ND END
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
MAXIMUM OPERATING PRESSURE: (CQGM) 3000.0 POUNDS PER SQUARE INCH
NOMINAL THREAD SIZE: (CQJX) 0.438 INCHES 1ST END
END CONNECTION DESIGN: (AKUU) UNABLE TO DECODE
THREAD CLASS: (AAJD) UNABLE TO DECODE
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
CONNECTION STYLE: (AHNC) FLARED 1ST END
END CONNECTION DESIGN: (AKUU) STRAIGHT 2ND END
THREAD SERIES DESIGNATOR: (THSD) NPTF 2ND END
THREAD CLASS: (AAJD) 2A 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 2ND END
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
MEDIA FOR WHICH DESIGNED: (MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL THREAD SIZE: (CQJX) UNABLE TO DECODE
THREAD DIRECTION: (AAJF) UNABLE TO DECODE
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
CONNECTION STYLE: (AHNC) PLAIN 2ND END
CONNECTION TYPE: (AWLS) UNABLE TO DECODE
THREAD SERIES DESIGNATOR: (THSD) UNS 1ST END