4730-00-231-3940
Find complete technical information, availability, and procurement data for: 4730-00-231-3940
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Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
National Stock Number
4730-00-231-3940
Item Name Code
03770
Assigment Date
01/01/1963 (63 years ago)
1.453 inches nominal 1st end leg length, 3a 1st end thread class, flared (tube) 1st end connection style, plain (pipe) 2nd end connection style, aircraft application end item identification
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a 1st end
- End Item Identification
- aircraft application
- Connection Style
- flared (tube) 1st end
- Connection Style
- plain (pipe) 2nd end
- Leg Length
- 1.453 inches nominal 1st end
- Leg Length
- 1.469 inches nominal 2nd end
- Connection Type
- threaded external pipe 2nd end
- Connection Type
- threaded external tube 1st end
- Thread Quantity Per Inch
- 12 1st end
- Maximum Operating Pressure
- 3000.0 pounds per square inch single response
- Nominal Thread Size
- 1.000 inches 2nd end
- Nominal Thread Size
- 1.312 inches 1st end
- Seat Angle
- 37.0 degrees 1st end
- Flow Angle
- 45.0 degrees
- Nominal Outside Diameter Tube Accommodated
- 1.000 inches 1st end
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,type 1,class 2 fed spec single treatment response overall
- Thread Series Designator
- npt 2nd end
- Thread Series Designator
- unj 1st end
- Specification/Standard Data
- 96906-ms20823 government standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2540-00-725-5263 | No Name Available | 03/01/1972 |
| 4730-00-836-9746 | No Name Available | 01/13/1969 |
| 4730-01-529-7826 | No Name Available | 02/01/2010 |
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 |
|---|---|
| 4730002313940 | Pipe to Tube Elbow |
| AS5196-1616 | Pipe to Tube Elbow |
| MS20823-16 | Pipe to Tube Elbow |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4730-00-231-3940?
The FSCG of the NSN 4730-00-231-3940 is 4730
Does the NSN 4730-00-231-3940 have a Schedule B code assigned?
Yes, the Schedule B code is 7307929000
Does NSN 4730-00-231-3940 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 4730-00-231-3940 contain precious materials?
Precious metal content is unknown
Does NSN 4730-00-231-3940 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 4730-00-231-3940 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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 Material | 4,796 |
| New Surplus | 62 |
| Serviceable | 1 |
| As Removed | 1 |
| Total | 4,860 |
Availability of this item was last updated on:
01/05/2026 05:01 PM EST.
Stock levels and pricing are subject to change.