NSN 4720-00-307-8773, 4720003078773
Cancelled -> Replaced by 4730006950517

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 003078773
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 4720-00-307-8773

National Stock Number (NSN) 4720-00-307-8773, or NIIN 003078773, (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, 4730006950517.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, one supplier is listed as an Active supplier 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 4720003078773 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

HOSE OR TUBING SPEC/STD DATA: (ADLF) WEATHERHEAD,H100 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.).
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED FIBER ERR-100
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
TEMP RATING: (ABJH) -40.0 DEG FAHRENHEIT AND 200.0 DEG FAHRENHEIT SINGLE RESPONSE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) IDENTICAL
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
BURST TEST PRESSURE: (CQBD) 1000.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) THREADED INTERNAL TUBE 1ST END
CONNECTION STYLE: (AHNC) FLARE 1ST END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
INSIDE DIAMETER: (AARX) 0.187 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER BRAIDED COTTON CORD AND 1ST LAYER BRAIDED FIBER
MAXIMUM OPERATING PRESSURE: (CQGM) 250.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 8.500 INCHES NOMINAL OVERALL
MINIMUM INSIDE BENDING RADIUS: (ACKH) 2.000 INCHES
NOMINAL THREAD SIZE: (CQJX) 0.375 INCHES 1ST END
OUTSIDE DIAMETER: (ABKV) 0.437 INCHES NOMINAL
SEAT ANGLE: (CQRB) 37.0 DEGREES 1ST END
TEMP RATING: (ABJH) -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE
THREAD CLASS: (AAJD) 2B 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNF 1ST END