1. Home /
  2. Catalog /
  3. Hose and Flexible Tubing /
  4. 4720-00-158-1228

4720-00-158-1228

Find complete technical information, availability, and procurement data for: 4720-00-158-1228

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4720-00-158-1228 to receive an up to date pricing and availability quote by email.

4720-00-158-1228
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-158-1228
Item Name Code
20311
Assigment Date
10/18/1971 (54 years ago)

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes:valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

0.250 inches nominal inside diameter, 3b 1st end thread class, right-hand 1st end thread direction, round cross-sectional shape style, right-hand 2nd end thread direction

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
Thread Class
3b 1st end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Inside Diameter
0.250 inches nominal
Temp Rating
-40.0 fahrenheit and 250.0 fahrenheit single response
Outside Diameter
0.580 inches nominal
Minimum Inside Bending Radius
3.380 inches
Exterior Color
black
Connection Style
swivel nut flare 1st end
Connection Style
inverted flare 2nd end
End Connection Design
straight 1st end
End Connection Design
straight 2nd end
Connection Type
threaded external pipe 2nd end
Connection Type
threaded internal tube 1st end
Thread Quantity Per Inch
18 2nd end
Thread Quantity Per Inch
20 1st end
Burst Test Pressure
12000.0 pounds per square inch
Layer Composition And Location
2nd layer braided steel wire and outer layer rubber impregnated braided cotton cord
Maximum Operating Pressure
3000.0 pounds per square inch
Nominal Thread Size
0.250 inches 2nd end
Nominal Thread Size
0.500 inches 1st end
Seat Angle
30.0 degrees 2nd end
Seat Angle
45.0 degrees 1st end
Hydrostatic Test Pressure
6000.0 pounds per square inch
Outer Covering Environmental Protection
oil resistant and mildew resistant
Vacuum In Torr
50.8
Inside Surface Condition
smooth
Measuring Method And Length
20.000 inches nominal overall
Special Features
reusable fittings
Media For Which Designed
hydraulic fluid and fuel/oil, hydrocarbon single response
Thread Series Designator
nptf 2nd end
Thread Series Designator
unf 1st end

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
1325-5W19IN Nonmetallic Hose Assembly
A1325-5S20 Nonmetallic Hose Assembly
FG1006FFE0200 Nonmetallic Hose Assembly

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4720-00-158-1228?
The FSCG of the NSN 4720-00-158-1228 is 4720
Does NSN 4720-00-158-1228 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 4720-00-158-1228 contain precious materials?
Precious metal content is unknown
Does NSN 4720-00-158-1228 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 4720-00-158-1228 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Mon, Oct 18, 1971

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

006-0661-36
3120-01-214-4929
Sleeve Bushing
006-0661-4A
3120-01-214-4929
Sleeve Bushing
006-0662-36
3120-01-228-0461
Sleeve Bearing
006-0662-4A
3120-01-228-0461
Sleeve Bearing
006-067
4730-00-936-2549
Tube Fitting Elbow
006-067-001
4730-00-936-2549
Tube Fitting Elbow
006-069-01
2530-01-407-6085
Dual Wheel Mounting Cap Nut
006-069-02
2530-01-407-6084
Dual Wheel Mounting Cap Nut
006-0692-71
3120-01-227-6267
Thrust Washer Bearing
006-0697-71
3120-01-233-0561
Thrust Washer Bearing
006-0698-71
3120-01-214-4945
Thrust Washer Bearing
006-0699-71
3120-01-233-1995
Thrust Washer Bearing
006-070-01
5310-01-408-0527
Nut,plain,single Ball Seat,hexag
006-070-02
5310-01-408-1999
Nut,plain,single Ball Seat,hexag
006-0707-71
3120-01-230-3287
Thrust Washer Bearing