PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS22055H12Hose,air Breathing

Herbert Cooper Co Inc · NSN 4720-00-705-6900 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-705-6900 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-705-6900. Primary manufacturer part number: MS22055H12.
Features
  • Hose,air Breathing — FSC 4720
  • Inside Diameter: 0.750 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST END IN
  • End Overall Length: 1.000 INCHES NOMINAL BOTH ENDS IN
  • End Inside Diameter: 0.875 INCHES NOMINAL BOTH ENDS IN
  • Connection Type: PLAIN BOTH ENDS
  • Outside Diameter: 1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST END IN
  • Features Provided: OZONE RESISTANT
  • Cross-Sectional Shape Style: ROUNDROUND
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyamide Nylon Second Ply construction
General Description

The Hose,air Breathing, cataloged under National Stock Number 4720-00-705-6900, 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 Herbert Cooper Co Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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
NSN4720-00-705-6900
Primary Part NumberMS22055H12
Item NameHose,air Breathing
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerHerbert Cooper Co Inc
StatusCANCELLED
Inside Diameter0.750 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST END IN
End Overall Length1.000 INCHES NOMINAL BOTH ENDS IN
End Inside Diameter0.875 INCHES NOMINAL BOTH ENDS IN
Connection TypePLAIN BOTH ENDS
Outside Diameter1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST END IN
Features ProvidedOZONE RESISTANT
Cross-Sectional Shape StyleROUNDROUND
Style DesignatorFULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
MaterialPLASTIC POLYAMIDE NYLON SECOND PLY
MaterialCOTTON AND FIBERGLASS FIRST PLY
Wall Thickness0.219 INCHES NOMINAL0.219 INCHES NOMINAL IN
Connection StyleROUND BOTH ENDS
Measuring Method and Length12.000 INCHES NOMINAL OVERALL IN
MaterialSTEEL CORROSION RESISTING REINFORCING WIRE
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
4720-00-393-5076 INTERCHANGEABLE
Hose,air Breathing
4720-00-545-5473 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
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
MS22055H12 Herbert Cooper Co Inc (USA)
MS24552T12 Dayco Corp Foam Products Div (USA)
E20804 B/e Aerospace Systems Gmbh Div Life Support Systems Europe (DEU)
MS22055H12 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
50B3859 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-81581 Military Specifications Promulgated by Military Departments/agencies 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
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
4720-00-762-2336INTERCHANGEABLE
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
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 4720-00-705-6900?

NSN 4720-00-705-6900 is a Hose,air Breathing, manufactured by Herbert Cooper Co Inc, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-705-6900?

NSN 4720-00-705-6900 has 8 cross-referenced part numbers: MS22055H12 (Herbert Cooper Co Inc), MS24552T12 (Dayco Corp Foam Products Div), E20804 (B/e Aerospace Systems Gmbh Div Life Support Systems Europe), MS22055H12 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force) and 3 more.

What NSN replaces 4720-00-705-6900?

There are 12 known substitutes for 4720-00-705-6900: 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 MS22055H12?

Key specifications for MS22055H12: Inside Diameter: 0.750 INCHES MINIMUM AND 1.250 INCHES MAXIMUM FIRST END IN; End Overall Length: 1.000 INCHES NOMINAL BOTH ENDS IN; End Inside Diameter: 0.875 INCHES NOMINAL BOTH ENDS IN; Connection Type: PLAIN BOTH ENDS. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-705-6900 still in active supply?

NSN 4720-00-705-6900 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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