NSN 4720-00-987-3657, 4720009873657
Cancelled -> Replaced by 2805009463391

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 009873657
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 4720-00-987-3657

National Stock Number (NSN) 4720-00-987-3657, or NIIN 009873657, (hose assembly,nonmetallic) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2805009463391.

There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

This NSN is somewhat common among different platforms, belonging to 8 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 4720009873657 contains an unknown precious metal.

This NSN is associated to Schedule B 4009320050: tubes, pipes and hoses of vulcanized rubber, exc hard rubber, reinforced or otherwise combined only w/ textile materials, w/ fittings, exc brake hoses. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 326220: rubber and plastics hoses and belting manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
END CONNECTION DESIGN: (AKUU) STRAIGHT 2ND END
END ITEM IDENTIFICATION: (AGAV) GRUMMAN A10 AIRCRAFT
BURST TEST PRESSURE: (CQBD) 1600.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) THREADED EXTERNAL PIPE 2ND END
CONNECTION TYPE: (AWLS) THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE: (AHNC) FLARED 1ST END
CONNECTION STYLE: (AHNC) PLAIN 2ND END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
INSIDE DIAMETER: (AARX) 0.250 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED FABRIC AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
OUTSIDE DIAMETER: (ABKV) 0.422 INCHES NOMINAL
MAXIMUM OPERATING PRESSURE: (CQGM) 400.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 20.000 INCHES NOMINAL OVERALL
MEDIA FOR WHICH DESIGNED: (MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MINIMUM INSIDE BENDING RADIUS: (ACKH) 2.250 INCHES
NOMINAL THREAD SIZE: (CQJX) 0.500 INCHES 1ST END
NOMINAL THREAD SIZE: (CQJX) 0.125 INCHES 2ND END
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) FUEL RESISTANT AND OIL RESISTANT AND MILDEW RESISTANT AND OZONE RESISTANT
SEAT ANGLE: (CQRB) 45.0 DEGREES 1ST END
TEMP RATING: (ABJH) -40.0 FAHRENHEIT AND 225.0 FAHRENHEIT SINGLE RESPONSE
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 2ND END
THREAD CLASS: (AAJD) 3A 1ST END
THREAD SERIES DESIGNATOR: (THSD) NPTF 2ND END
THREAD SERIES DESIGNATOR: (THSD) UNF 1ST END
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER MOLDED RUBBER, SYNTHETIC ERR-100
UNABLE TO DECODE: (CRBL) UNABLE TO DECODE
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
HOSE OR TUBING SPEC/STD DATA: (ADLF) SAE 30R3-81343 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
TEMP RATING: (ABJH) -40.0 DEG FAHRENHEIT AND 225.0 DEG FAHRENHEIT SINGLE RESPONSE
SECOND END SWIVEL ACTION CAPABILITY: (CRZY) NOT INCLUDED
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED