PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8148650Hose Assembly,air Breathing

Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force · NSN 4720-00-814-8157 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-814-8157 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-814-8157. Primary manufacturer part number: 8148650.
Features
  • Hose Assembly,air Breathing — FSC 4720
  • Wall Thickness: 0.125 INCHES NOMINAL IN
  • Operating Pressure: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Measuring Method and Length: 36.000 INCHES NOMINAL OVERALL IN
  • Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
  • Material Document and Classification: QQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE SECOND END COUPLING
  • Connection Type: COUPLING SECOND END
  • Coupling Style: OXYGEN HOSE CLAMP FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Second End Coupling construction
General Description

The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-00-814-8157, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-814-8157
Primary Part Number8148650
Item NameHose Assembly,air Breathing
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerAir Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
StatusACTIVE
Wall Thickness0.125 INCHES NOMINAL IN
Operating Pressure20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Measuring Method and Length36.000 INCHES NOMINAL OVERALL IN
Style DesignatorFULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
Material Document and ClassificationQQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE SECOND END COUPLING
Connection TypeCOUPLING SECOND END
Coupling StyleOXYGEN HOSE CLAMP FIRST END
MaterialCOPPER ALLOY SECOND END COUPLING
Connection StyleROUND SECOND END
Connection TypeSOFT FIRST END
Hose Weight5.000 OUNCES PER LINEAR FOOT OZ
MaterialCOTTON AND FIBERGLASS FIRST PLY
End Inside Diameter0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM SECOND END IN
Material Document and ClassificationQQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE FIRST END COUPLING
MaterialCOPPER ALLOY FIRST END COUPLING
Features ProvidedOZONE RESISTANT AND RESTRAINT CORD
End Overall Length0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM BOTH ENDS IN
End Overall Length1.000 INCHES NOMINAL SECOND END IN
Coupling StyleCONNECTOR, OXYGEN HOSE TO REGULATOR (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) SECOND END
Outside Diameter1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM BOTH ENDS IN
MaterialSTEEL REINFORCING WIRE
Inside Diameter0.875 INCHES NOMINAL FIRST END IN
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-045-8090266AS100-3 INTERCHANGEABLE
Hose,air Breathing
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4720-00-097-1329REDAR-A80910-6 INTERCHANGEABLE
Hose,air Duct
R.e. Darling Co., Inc.
4720-00-108-5620 INTERCHANGEABLE
Hose Assembly,air Breathing
4720-00-393-5076 INTERCHANGEABLE
Hose,air Breathing
4720-00-545-5473 INTERCHANGEABLE
Hose,air Breathing
4720-00-705-6900 INTERCHANGEABLE
Hose,air Breathing
4720-00-762-2336 INTERCHANGEABLE
Hose,air Breathing
4720-00-789-2612 INTERCHANGEABLE
Hose Assembly,air Breathing
4720-00-915-4603REDAR-A10116-02 INTERCHANGEABLE
Hose Assembly,air Breathing
R.e. Darling Co., Inc.
4720-01-041-8003REDAR-A80910-25 INTERCHANGEABLE
Hose,air Breathing
R.e. Darling Co., Inc.
Cross-Reference Index
Part NumberManufacturer
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
MIL-H-81581 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS22055B36 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-81581 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS24552-36A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS22055B36 Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA)
Related Parts
4720-00-045-8090INTERCHANGEABLE
HOSE,AIR BREATHING
266AS100-3
4720-00-097-1329INTERCHANGEABLE
HOSE,AIR DUCT
REDAR-A80910-6
4720-00-108-5620INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING
4720-00-393-5076INTERCHANGEABLE
HOSE,AIR BREATHING
4720-00-545-5473INTERCHANGEABLE
HOSE,AIR BREATHING
4720-00-705-6900INTERCHANGEABLE
HOSE,AIR BREATHING
4720-00-762-2336INTERCHANGEABLE
HOSE,AIR BREATHING
4720-00-789-2612INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING
4720-00-915-4603INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING
REDAR-A10116-02
4720-01-041-8003INTERCHANGEABLE
HOSE,AIR BREATHING
REDAR-A80910-25
4720-01-042-0679INTERCHANGEABLE
HOSE,AIR DUCT
REDAR-A80910-29
4720-01-042-7779INTERCHANGEABLE
HOSE,AIR BREATHING
REDAR-A80910-17

Frequently Asked Questions

What is NSN 4720-00-814-8157?

NSN 4720-00-814-8157 is a Hose Assembly,air Breathing, manufactured by Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-814-8157?

NSN 4720-00-814-8157 has 6 cross-referenced part numbers: 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), MIL-H-81581 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS22055B36 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-81581 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS24552-36A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4720-00-814-8157?

There are 12 known substitutes for 4720-00-814-8157: 4720-00-045-8090, 4720-00-097-1329, 4720-00-108-5620 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8148650?

Key specifications for 8148650: Wall Thickness: 0.125 INCHES NOMINAL IN; Operating Pressure: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Measuring Method and Length: 36.000 INCHES NOMINAL OVERALL IN; Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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