NSN 4720-00-737-0837, 4720007370837
HOSE ASSEMBLY,NONMETALLIC

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 007370837
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 4720-00-737-0837

National Stock Number (NSN) 4720-00-737-0837, or NIIN 007370837, (hose assembly,nonmetallic) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 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 4720007370837 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END AND RIGHT-HAND 1ST END
UNABLE TO DECODE: (CQHW) UNABLE TO DECODE OR UNABLE TO DECODE
UNABLE TO DECODE: (ADJM) UNABLE TO DECODE
UNABLE TO DECODE: (CQGH) UNABLE TO DECODE
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST ENDRIGHT-HAND 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNS 1ST END AND UNF 1ST END
SECOND END RELATIONSHIP WITH FIRST END: (CQBB) IDENTICAL
THREAD DIRECTION: (AAJF) RIGHT-HAND AND RIGHT-HAND 1ST END
CONNECTION TYPE: (AWLS) THREADED INTERNAL AND EXTERNAL TUBE 1ST END
THREAD QUANTITY PER INCH: (CMLP) 24 1ST END AND 18 1ST END
FIRST END SWIVEL ACTION CAPABILITY: (CQBG) NOT INCLUDED
LAYER COMPOSITION AND LOCATION: (CQCS) OUTER LAYER MOLDED RUBBER, CHLOROPRENE ERR-100
NOMINAL THREAD SIZE: (CQJX) 0.437 INCHES 1ST END AND 0.625 INCHES 1ST END
END CONNECTION DESIGN: (AKUU) STRAIGHT 1ST END
BURST TEST PRESSURE: (CQBD) 5000.0 POUNDS PER SQUARE INCH
CONNECTION TYPE: (AWLS) INTERNALLY AND EXTERNALLY THREADED TUBE 1ST END
CONNECTION STYLE: (AHNC) INVERTED FLARE 1ST END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
EXTERIOR COLOR: (ADJS) BLACK
HYDROSTATIC TEST PRESSURE: (CRDW) 4000.0 POUNDS PER SQUARE INCH
INSIDE DIAMETER: (AARX) 0.125 INCHES NOMINAL
INSIDE SURFACE CONDITION: (CRWL) SMOOTH
LAYER COMPOSITION AND LOCATION: (CQCS) 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
OUTSIDE DIAMETER: (ABKV) 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MEASURING METHOD AND LENGTH: (CRXX) 17.344 INCHES NOMINAL OVERALL
NOMINAL THREAD SIZE: (CQJX) 0.437 INCHES AND 0.625 INCHES 1ST END
OUTER COVERING ENVIRONMENTAL PROTECTION: (CRJM) ABRASION RESISTANT AND HYDRAULIC SOLUTION RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT AND OZONE RESISTANT
SEAT ANGLE: (CQRB) 42.0 DEGREES 1ST END
TEMP RATING: (ABJH) -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE
TEST DATA DOCUMENT: (TEST) 63477-FE52380 TO FE52399 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
THREAD DIRECTION: (AAJF) RIGHT-HAND 1ST END
THREAD CLASS: (AAJD) 2B AND 2A 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNS AND UNF 1ST END
THREAD QUANTITY PER INCH: (CMLP) 24 AND 18 1ST END
TEMP RATING: (ABJH) -65.0 DEG FAHRENHEIT AND 250.0 DEG FAHRENHEIT SINGLE RESPONSE
LAYER COMPOSITION AND LOCATION: (CQCS) 2ND LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD ERR-100
THREAD CLASS: (AAJD) 2B 1ST END AND 2A 1ST END
HOSE OR TUBING SPEC/STD DATA: (ADLF) MIL-H-13791 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.).