PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

REDAR-A10116-02Hose Assembly,air Breathing

R.e. Darling Co., Inc. · NSN 4720-00-915-4603 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-915-4603 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-915-4603. Primary manufacturer part number: REDAR-A10116-02.
Features
  • Hose Assembly,air Breathing — FSC 4720
  • Style Designator: FULLY CONVOLUTED
  • Material: COTTON SECOND PLY
  • Connection Type: THREADED FIRST END
  • Connection Type: THREADED SECOND END
  • Cross-Sectional Shape Style: ROUNDROUND
  • Coupling Style: CONNECTOR, OXYGEN HOSE TO REGULATOR (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) SECOND END
  • Inside Diameter: 0.250 INCHES NOMINAL FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Cotton Second Ply construction
General Description

The Hose Assembly,air Breathing, cataloged under National Stock Number 4720-00-915-4603, 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 R.e. Darling Co., Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-915-4603
Primary Part NumberREDAR-A10116-02
Item NameHose Assembly,air Breathing
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerR.e. Darling Co., Inc.
StatusCANCELLED
Style DesignatorFULLY CONVOLUTED
MaterialCOTTON SECOND PLY
Connection TypeTHREADED FIRST END
Connection TypeTHREADED SECOND END
Cross-Sectional Shape StyleROUNDROUND
Coupling StyleCONNECTOR, OXYGEN HOSE TO REGULATOR (NOTE: APPLICABLE TO HOSE ASSEMBLY, AIR BREATHING ONLY.) SECOND END
Inside Diameter0.250 INCHES NOMINAL FIRST END IN
Coupling StyleTHREADED EXTERNAL FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
1005-00-200-58006009832 INTERCHANGEABLE
Spring,helical
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4720-00-393-5076 INTERCHANGEABLE
Hose,air Breathing
5995-00-417-6645120802 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Eg and G Inc
4720-00-545-5473 INTERCHANGEABLE
Hose,air Breathing
4720-00-705-6900 INTERCHANGEABLE
Hose,air Breathing
5340-00-757-1235A101-16 INTERCHANGEABLE
Clamp
Renbrandt, Inc.
4720-00-762-2336 INTERCHANGEABLE
Hose,air Breathing
Cross-Reference Index
Part NumberManufacturer
REDAR-A10116-02 PRIMARY R.e. Darling Co., Inc. (USA)
A10116-2 R.e. Darling Co., Inc. (USA)
MIL-H-81581 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A10116 R.e. Darling Co., Inc. (USA)
12080-2 Conax Florida Corporation (USA)
12080-2 American Safety Flight Systems Inc (USA)
33C1178-1 Naval Air Development Center Warminster Navairsyscom Hq (USA)
GH511DJ1 Northrop Grumman Systems Corporation (USA)
REDAR-A10116-2 R.e. Darling Co., Inc. (USA)
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
1005-00-200-5800INTERCHANGEABLE
SPRING,HELICAL
6009832
4720-00-393-5076INTERCHANGEABLE
HOSE,AIR BREATHING
5995-00-417-6645INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
120802
4720-00-545-5473INTERCHANGEABLE
HOSE,AIR BREATHING
4720-00-705-6900INTERCHANGEABLE
HOSE,AIR BREATHING
5340-00-757-1235INTERCHANGEABLE
CLAMP
A101-16
4720-00-762-2336INTERCHANGEABLE
HOSE,AIR BREATHING
4720-00-789-2612INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING
4720-00-814-8157INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING

Frequently Asked Questions

What is NSN 4720-00-915-4603?

NSN 4720-00-915-4603 is a Hose Assembly,air Breathing, manufactured by R.e. Darling Co., Inc., classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-915-4603?

NSN 4720-00-915-4603 has 9 cross-referenced part numbers: REDAR-A10116-02 (R.e. Darling Co., Inc.), A10116-2 (R.e. Darling Co., Inc.), MIL-H-81581 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A10116 (R.e. Darling Co., Inc.), 12080-2 (Conax Florida Corporation) and 4 more.

What NSN replaces 4720-00-915-4603?

There are 12 known substitutes for 4720-00-915-4603: 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 REDAR-A10116-02?

Key specifications for REDAR-A10116-02: Style Designator: FULLY CONVOLUTED; Material: COTTON SECOND PLY; Connection Type: THREADED FIRST END; Connection Type: THREADED SECOND END. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-915-4603 still in active supply?

NSN 4720-00-915-4603 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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