NSN 1660-00-796-3413, 1660007963413
HOSE ASSEMBLY,AIR BREATHING

Federal Supply Classification: FSC 4720 - Hose and Flexible Tubing
National Item Identification Number: NIIN 007963413
Codification Country: United States
Item Name Code: INC 39227
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 1660-00-796-3413

National Stock Number (NSN) 4720-00-796-3413, or NIIN 007963413, (hose assembly,air breathing) was assigned January 1, 1962 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers 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 unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 39227. [A LENGTH OF HOSE, AIR BREATHING WITH COUPLINGS ON ONE OR BOTH ENDS AND/OR A COMMUNICATION CABLE. EXCLUDES:ITEMS WHICH INCLUDE A BRANCH HOSE OR FORK HOSES; WIRING FOR FACE MASK HEATER; VENT AND PRESSURE DUCTS FOR AN ANTI-G-SUIT; HOSE ASSEMBLY, NONMETALLIC.]. 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 4720007963413 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

TEMP RANGE (NON-CORE): (AMPZ) -65.0/+165.0 DEG FAHRENHEIT
MATERIAL: (MATT) PLASTIC POLYAMIDE 2ND PLY
III MATERIAL: (MATT) PLASTIC 1ST PLY
III MATERIAL: (MATT) STEEL CORROSION RESISTING REINFORCING WIRE
III MATERIAL: (MATT) STEEL AND COPPER ALLOY AND ALUMINUM 1ST END COUPLING
CONNECTION TYPE: (AWLS) PREFORMED SECOND END
END INSIDE DIAMETER: (CPYG) 0.869 INCHES NOMINAL SECOND END
MATERIAL: (MATT) PLASTIC 1ST PLY
END OVERALL LENGTH: (AGQM) 1.000 INCHES NOMINAL SECOND END
III MATERIAL: (MATT) PLASTIC POLYAMIDE 2ND PLY
END INSIDE DIAMETER: (CPYG) 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM SECOND END
CONNECTION TYPE: (AWLS) COUPLING FIRST END
CONNECTION TYPE: (AWLS) SOFT SECOND END
CONNECTION STYLE: (AHNC) ROUND SECOND END
COUPLING STYLE: (CXMG) CONNECTOR, OXYGEN HOSE TO REGULATOR (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) SECOND END
COUPLING STYLE: (CXMG) OXYGEN HOSE CLAMP FIRST END
CROSS-SECTIONAL SHAPE STYLE: (AAGR) ROUND
END OVERALL LENGTH: (AGQM) 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM SECOND END
HOSE WEIGHT: (AMPY) 5.000 OUNCES PER LINEAR FOOT
INSIDE DIAMETER: (AARX) 0.750 INCHES NOMINAL FIRST END
OUTSIDE DIAMETER: (ABKV) 1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) MS22058-2 MIL SPEC ALL MATERIAL RESPONSES 1ST END COUPLING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE
MATERIAL: (MATT) COPPER ALLOY 2ND END COUPLING
MATERIAL: (MATT) COTTON AND FIBERGLASS 1ST PLY
MATERIAL: (MATT) PLASTIC POLYAMIDE (NYLON) 2ND PLY
MATERIAL: (MATT) STEEL AND COPPER ALLOY AND ALUMINUM 1ST END COUPLING
MATERIAL: (MATT) STEEL CORROSION RESISTING REINFORCING WIRE
MAXIMUM OPERATING PRESSURE: (CQGM) 20.0 POUNDS PER SQUARE INCH
MEASURING METHOD AND LENGTH: (CRXX) 12.000 INCHES NOMINAL OVERALL
STYLE DESIGNATOR: (STYL) FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
WALL THICKNESS: (AAGT) 0.250 INCHES NOMINAL
SURFACE TREATMENT: (SFTT) CADMIUM 1ST END COUPLING
MATERIAL: (MATT) STEEL 1ST END COUPLING AND COPPER ALLOY 1ST END COUPLING AND ALUMINUM 1ST END COUPLING