NSN 4720-00-764-6788, 4720007646788
HOSE ASSEMBLY,NONMETALLIC

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 007646788
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 4720-00-764-6788

National Stock Number (NSN) 4720-00-764-6788, or NIIN 007646788, (hose assembly,nonmetallic) was assigned March 15, 1968 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. 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, with the most recent procurement date of Jan 19, 2017. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M417P1631. The total value of the awarded contracts has been US$ 1,094.50.

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 Jul 29, 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 4720007646788 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

THREAD CLASS: (AAJD) 2B 1ST END
THREAD DIRECTION: (AAJF) RIGHT-HAND 2ND END
THREAD DIRECTION: (AAJF) UNABLE TO DECODE
CONNECTION STYLE: (AHNC) SWIVEL NUT FLARE 2ND END
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES 1ST END
TEMP RATING: (ABJH) -65.0 DEG FAHRENHEIT AND 250.0 DEG FAHRENHEIT SINGLE RESPONSE
SEAT ANGLE: (CQRB) 37.0 DEGREES 2ND END
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) NOT IDENTICAL
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER MOLDED RUBBER ERR-100
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
HOSE OR TUBING SPEC/STD DATA: (ADLF) MIL-H-13531,TYPE I 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.).
FLOW ANGLE: (CRFY) UNABLE TO DECODE
DEPARTURE FROM CITED DOCUMENT: (ZZZW) AS MOD. BY END CONNECTIONTYPE,SIZE,MATERIAL AND DESIGN
END CONNECTION DESIGN: (AKUU) ELBOW 2ND END
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES 2ND END
SEAT ANGLE: (CQRB) UNABLE TO DECODE
END CONNECTION DESIGN: (AKUU) UNABLE TO DECODE
NOMINAL THREAD SIZE: (CQJX) UNABLE TO DECODE
THREAD SERIES DESIGNATOR: (THSD) UNABLE TO DECODE
THREAD CLASS: (AAJD) 2B 2ND END
SEAT ANGLE: (CQRB) 37.0 DEGREES 1ST END
END CONNECTION DESIGN: (AKUU) STRAIGHT FIRST END
END CONNECTION DESIGN: (AKUU) ELBOW SECOND END
BURST TEST PRESSURE: (CQBD) 9000.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) THREADED INTERNAL TUBE SECOND END
CONNECTION TYPE: (AWLS) THREADED INTERNAL TUBE FIRST END
CONNECTION STYLE: (AHNC) SWIVEL NUT FLARE FIRST END
CONNECTION STYLE: (AHNC) SWIVEL NUT FLARE SECOND END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
EXTERIOR COLOR: (ADJS) BLACK
FEATURES PROVIDED: (CBBL) ELECTROSTATIC DISCHARGE CAPABILITY
FLOW ANGLE: (CRFY) 90.0 DEGREES SECOND END
HYDROSTATIC TEST PRESSURE: (CRDW) 4500.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 0.375 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER
MEASURING METHOD AND LENGTH: (CRXX) 10.000 INCHES NOMINAL OVERALL
MEDIA FOR WHICH DESIGNED: (MEDA) UNABLE TO DECODE
MINIMUM INSIDE BENDING RADIUS: (ACKH) 5.000 INCHES
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES FIRST END
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES SECOND END
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 1 TYPE AND A CLASS
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) ABRASION RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND WEATHERPROOF
OUTSIDE DIAMETER: (ABKV) 0.781 INCHES NOMINAL
SEAT ANGLE: (CQRB) 37.0 DEGREES FIRST END
SEAT ANGLE: (CQRB) 37.0 DEGREES SECOND END
SPECIAL FEATURES: (FEAT) FITTINGS SHALL BE DESIGNED TO MATE W/MS33656-6 AND BE OF THE PERMANENTLY ATTACHED TYPE
SPECIFICATION/STANDARD DATA: (ZZZK) 81349-MIL-H-13531 GOVERNMENT SPECIFICATION
TEMP RATING: (ABJH) -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE
THREAD CLASS: (AAJD) 2B FIRST END
THREAD CLASS: (AAJD) 2B SECOND END
THREAD DIRECTION: (AAJF) RIGHT-HAND FIRST END
THREAD DIRECTION: (AAJF) RIGHT-HAND SECOND END
THREAD SERIES DESIGNATOR: (THSD) UNF FIRST END
THREAD SERIES DESIGNATOR: (THSD) UNF SECOND END
UNABLE TO DECODE: (CQGM) UNABLE TO DECODE
CONNECTION TYPE: (AWLS) UNABLE TO DECODE
THREAD SERIES DESIGNATOR: (THSD) UNF 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNF 2ND END
THREAD CLASS: (AAJD) UNABLE TO DECODE
CONNECTION STYLE: (AHNC) SWIVEL NUT FLARE 1ST END
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
MAXIMUM OPERATING PRESSURE: (CQGM) 2250.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED: (MEDA) FUEL/OIL, HYDROCARBON SINGLE RESPONSE
CONNECTION STYLE: (AHNC) UNABLE TO DECODE
UNABLE TO DECODE: (CQHW) UNABLE TO DECODE
UNABLE TO DECODE: (CRBL) UNABLE TO DECODE
FLOW ANGLE: (CRFY) 90.0 DEGREES 2ND END
UNABLE TO DECODE: (CRLL) UNABLE TO DECODE
SECOND END SWIVEL ACTION CAPABILITY: (CRZY) NOT INCLUDED