33C1178-1
View detailed technical data, stock status, and sourcing information for: 33C1178-1
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Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-915-4603
Item Name Code
39227
Assigment Date
07/08/1966 (60 years ago)
threaded first end connection type, 0.250 inches nominal first end inside diameter, round cross-sectional shape style, threaded second end connection type, connector, oxygen hose to regulator (note: applicable to hose assembly, air breathing only.) second end coupling style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Cross-Sectional Shape Style
- round
- Inside Diameter
- 0.250 inches nominal first end
- Connection Type
- threaded first end
- Connection Type
- threaded second end
- Coupling Style
- connector, oxygen hose to regulator (note: applicable to hose assembly, air breathing only.) second end
- Coupling Style
- threaded external first end
- Special Features
- a frame support furnished; connection type: ground joint externally threaded tailpiece w/ union nut first end ground joint externally threaded tailpiece w/ union nut second end
- Material
- cotton 2nd ply
- Style Designator
- fully convoluted
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4720-01-039-3529 | No Name Available | 02/01/1999 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 12080-2 | Air Breathing Hose Assembly |
| 33C1178-1 | Air Breathing Hose Assembly |
| A10116 | Air Breathing Hose Assembly |
| A10116-2 | Air Breathing Hose Assembly |
| GH511DJ1 | Air Breathing Hose Assembly |
| REDAR-A10116-02 | Air Breathing Hose Assembly |
| REDAR-A10116-2 | Air Breathing Hose Assembly |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4720-00-915-4603?
The FSCG of the NSN 4720-00-915-4603 is 4720
Does the NSN 4720-00-915-4603 have a Schedule B code assigned?
Yes, the Schedule B code is 5909000000
Does NSN 4720-00-915-4603 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4720-00-915-4603 contain precious materials?
Item does not contain precious metal.
Does NSN 4720-00-915-4603 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4720-00-915-4603 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Jul 8, 1966
Professional Distribution
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 1 |
| New Material | 1 |
| As Removed | 1 |
| Total | 3 |
Availability of this item was last updated on:
07/22/2026 03:07 PM EDT.
Stock levels and pricing are subject to change.