NSN 4720-00-522-8978, 4720005228978
Cancelled -> Replaced by 4720009366434

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 005228978
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 4720-00-522-8978

National Stock Number (NSN) 4720-00-522-8978, or NIIN 005228978, (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 3 stock numbers: 4720009366434, 4720008800044, 4720007788884.

There are 12 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 14 suppliers. Today, 14 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 12 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 4720005228978 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

UNABLE TO DECODE: (AAJP) UNABLE TO DECODE
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 STYLE: (AHNC) SWIVEL NUT FLARE 1ST END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
HYDROSTATIC TEST PRESSURE: (CRDW) 3000.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 0.188 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
MAXIMUM OPERATING PRESSURE: (CQGM) 1500.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 10.000 INCHES NOMINAL WORKING
NOMINAL THREAD SIZE: (CQJX) 0.438 INCHES 1ST END
OUTSIDE DIAMETER: (ABKV) 0.312 INCHES NOMINAL
SEAT ANGLE: (CQRB) 37.0 DEGREES 1ST END
SPECIFICATION/STANDARD DATA: (ZZZK) 76301-32-721560-70 MANUFACTURERS SOURCE CONTROL
TEMP RATING: (ABJH) -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE
THREAD CLASS: (AAJD) 3B 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNF 1ST END
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) IDENTICAL
TEMP RATING: (ABJH) -65.0 DEG FAHRENHEIT AND 450.0 DEG FAHRENHEIT SINGLE RESPONSE