NSN 4720-00-318-0956, 4720003180956
Cancelled -> Replaced by 4720009519217

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 003180956
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 4720-00-318-0956

National Stock Number (NSN) 4720-00-318-0956, or NIIN 003180956, (hose assembly,nonmetallic) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4720009519217.

There are 11 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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.) Acquisition of this part is controlled by QPL procedures. 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 4720003180956 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
LAYER COMPOSITION AND LOCATION: (CQCS) 2ND LAYER BRAIDED FABRIC ERR-100
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER MOLDED RUBBER, CHLOROPRENE ERR-100
LAYER COMPOSITION AND LOCATION: (CQCS) 3RD LAYER BRAIDED CORROSION RESISTANT STEEL WIRE ERR-100
HOSE OR TUBING SPEC/STD DATA: (ADLF) MIL-H-3992,TYPE 1,CLASS 1 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.).
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED COTTON CORD ERR-100 OR 1ST LAYER BRAIDED SYNTHETIC CORD ERR-100
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
END CONNECTION DESIGN: (AKUU) STRAIGHT 2ND END
BURST TEST PRESSURE: (CQBD) 900.0 POUNDS PER SQUARE INCH
CONNECTION STYLE: (AHNC) SWIVEL, PLAIN 2ND END
CONNECTION TYPE: (AWLS) THREADED EXTERNAL PIPE 1ST END
CONNECTION TYPE: (AWLS) THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE: (AHNC) PLAIN 1ST END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
HYDROSTATIC TEST PRESSURE: (CRDW) 200.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 0.375 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED SYNTHETIC CORD AND 1ST LAYER BRAIDED COTTON CORD OR 2ND LAYER BRAIDED FABRIC AND 3RD LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
OUTSIDE DIAMETER: (ABKV) 0.750 INCHES NOMINAL
MEASURING METHOD AND LENGTH: (CRXX) 42.500 INCHES NOMINAL OVERALL
MEDIA FOR WHICH DESIGNED: (MEDA) AIR SINGLE RESPONSE
NOMINAL THREAD SIZE: (CQJX) 0.250 INCHES 2ND END
NOMINAL THREAD SIZE: (CQJX) 0.250 INCHES 1ST END
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) MILDEW RESISTANT AND OIL RESISTANT
TEMP RATING: (ABJH) -65.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 2ND END
THREAD SERIES DESIGNATOR: (THSD) NPTF 2ND END
THREAD SERIES DESIGNATOR: (THSD) NPTF 1ST END
TEMP RATING: (ABJH) -65.0 DEG FAHRENHEIT AND 212.0 DEG FAHRENHEIT SINGLE RESPONSE
UNABLE TO DECODE: (CRBL) UNABLE TO DECODE
SECOND END SWIVEL ACTION CAPABILITY: (CRZY) NOT INCLUDED