NSN 4720-00-359-3431, 4720003593431
HOSE ASSEMBLY,NONMETALLIC

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 003593431
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 4720-00-359-3431

National Stock Number (NSN) 4720-00-359-3431, or NIIN 003593431, (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 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 3 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 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 4720003593431 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
BURST TEST PRESSURE: (CQBD) 1500.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE: (AHNC) SWIVEL NUT, INVERTED FLARE 1ST END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
INSIDE DIAMETER: (AARX) 0.250 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER MOLDED RUBBER AND 1ST LAYER BRAIDED RAYON CORD
OUTSIDE DIAMETER: (ABKV) 0.438 INCHES NOMINAL
MAXIMUM OPERATING PRESSURE: (CQGM) 200.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 38.000 INCHES NOMINAL OVERALL
MEDIA FOR WHICH DESIGNED: (MEDA) AIR AND FUEL/OIL, HYDROCARBON AND WATER, FRESH SINGLE RESPONSE
NOMINAL THREAD SIZE: (CQJX) 0.438 INCHES 1ST END
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) ABRASION RESISTANT AND FUEL RESISTANT AND OIL RESISTANT AND WATER RESISTANT AND WATERPROOF
SEAT ANGLE: (CQRB) 45.0 DEGREES 1ST END
TEMP RATING: (ABJH) -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD CLASS: (AAJD) 2A 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNS 1ST END
THREAD QUANTITY PER INCH: (CMLP) 24 1ST END
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED RAYON CORD ERR-100
TEMP RATING: (ABJH) -40.0 DEG FAHRENHEIT AND 200.0 DEG FAHRENHEIT SINGLE RESPONSE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) IDENTICAL
MEDIA FOR WHICH DESIGNED: (MEDA) AIR SINGLE RESPONSE AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE AND WATER, FRESH SINGLE RESPONSE
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE