PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

REDAR-A80910-17Hose,air Breathing

R.e. Darling Co., Inc. · NSN 4720-01-042-7779 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-042-7779 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-042-7779. Primary manufacturer part number: REDAR-A80910-17.
Features
  • Hose,air Breathing — FSC 4720
  • Cross-Sectional Shape Style: ROUND
  • Material: STEEL REINFORCING WIRE
  • Operating Pressure: 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Measuring Method and Length: 4.500 INCHES NOMINAL OVERALL IN
  • Connection Type: FLANGE FIRST END
  • Style Designator: FULLY CONVOLUTED
  • Hose Weight: 0.190 OUNCES PER LINEAR FOOT OZ
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Reinforcing Wire construction
General Description

The Hose,air Breathing, cataloged under National Stock Number 4720-01-042-7779, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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
NSN4720-01-042-7779
Primary Part NumberREDAR-A80910-17
Item NameHose,air Breathing
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerR.e. Darling Co., Inc.
StatusACTIVE
Cross-Sectional Shape StyleROUND
MaterialSTEEL REINFORCING WIRE
Operating Pressure10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Measuring Method and Length4.500 INCHES NOMINAL OVERALL IN
Connection TypeFLANGE FIRST END
Style DesignatorFULLY CONVOLUTED
Hose Weight0.190 OUNCES PER LINEAR FOOT OZ
Wall Thickness0.093 INCHES NOMINAL IN
Inside Diameter0.625 INCHES NOMINAL FIRST END IN
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
4720-00-095-6045REDAR-A80910-18 INTERCHANGEABLE
Hose,air Duct
R.e. Darling Co., Inc.
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
4720-00-814-8157 INTERCHANGEABLE
Hose Assembly,air Breathing
Cross-Reference Index
Part NumberManufacturer
GH510AU5-044 Northrop Grumman Systems Corporation (USA)
GH510AU Northrop Grumman Systems Corporation (USA)
277AS100 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
266AS100 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
REDARA90810-17 R.e. Darling Co., Inc. (USA)
REDAR-A80910-17 PRIMARY 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
REDAR-A80910 R.e. Darling Co., Inc. (USA)
Related Parts
4720-00-045-8090INTERCHANGEABLE
HOSE,AIR BREATHING
266AS100-3
4720-00-095-6045INTERCHANGEABLE
HOSE,AIR DUCT
REDAR-A80910-18
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
4720-00-814-8157INTERCHANGEABLE
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

Frequently Asked Questions

What is NSN 4720-01-042-7779?

NSN 4720-01-042-7779 is a Hose,air Breathing, manufactured by R.e. Darling Co., Inc., classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-042-7779?

NSN 4720-01-042-7779 has 8 cross-referenced part numbers: GH510AU5-044 (Northrop Grumman Systems Corporation), GH510AU (Northrop Grumman Systems Corporation), 277AS100 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 266AS100 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), REDARA90810-17 (R.e. Darling Co., Inc.) and 3 more.

What NSN replaces 4720-01-042-7779?

There are 12 known substitutes for 4720-01-042-7779: 4720-00-045-8090, 4720-00-095-6045, 4720-00-097-1329 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of REDAR-A80910-17?

Key specifications for REDAR-A80910-17: Cross-Sectional Shape Style: ROUND; Material: STEEL REINFORCING WIRE; Operating Pressure: 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Special Features: W/IDENTIFICATION BAND; CONNECTION TYPE: FLANGE, ROUND W/HOLES FIRST END. 10 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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