NSN 4720-00-781-1982, 4720007811982
Cancelled -> Replaced by 4720001959783

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 007811982
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 4720-00-781-1982

National Stock Number (NSN) 4720-00-781-1982, or NIIN 007811982, (hose assembly,nonmetallic) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4720001959783.

There are 7 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 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 4720007811982 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

END CONNECTION DESIGN: (AKUU) ELBOW 2ND END
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
BURST TEST PRESSURE: (CQBD) 12000.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) THREADED INTERNAL TUBE 1ST END
CONNECTION TYPE: (AWLS) THREADED INTERNAL TUBE 2ND END
CONNECTION STYLE: (AHNC) SWIVEL NUT FLARE 1ST END
CONNECTION STYLE: (AHNC) SWIVEL NUT FLARE 2ND END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
FLOW ANGLE: (CRFY) 45.0 DEGREES 2ND END
HYDROSTATIC TEST PRESSURE: (CRDW) 3000.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 0.183 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
OUTSIDE DIAMETER: (ABKV) 0.325 INCHES NOMINAL
MAXIMUM OPERATING PRESSURE: (CQGM) 1500.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 18.500 INCHES NOMINAL WORKING
NOMINAL THREAD SIZE: (CQJX) 0.438 INCHES 1ST END
NOMINAL THREAD SIZE: (CQJX) 0.438 INCHES 2ND END
SEAT ANGLE: (CQRB) 37.0 DEGREES 1ST END
SEAT ANGLE: (CQRB) 37.0 DEGREES 2ND END
TEMP RATING: (ABJH) -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 2ND END
THREAD CLASS: (AAJD) 3B 2ND END
THREAD CLASS: (AAJD) 3B 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNF 2ND END
THREAD SERIES DESIGNATOR: (THSD) UNF 1ST END
THREAD QUANTITY PER INCH: (CMLP) 20 1ST END
THREAD QUANTITY PER INCH: (CMLP) 20 2ND END
TEMP RATING: (ABJH) -65.0 DEG FAHRENHEIT AND 450.0 DEG FAHRENHEIT SINGLE RESPONSE