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4720-00-542-4953

Find complete technical information, availability, and procurement data for: 4720-00-542-4953

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4720-00-542-4953
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-542-4953
Item Name Code
20311
Assigment Date
01/01/1963 (63 years ago)

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

right-hand 1st end thread direction, 3b 1st end thread class, round cross-sectional shape style, 0.406 inches nominal inside diameter, -40.0 fahrenheit and 275.0 fahrenheit single response temp rating

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
Inside Diameter
0.406 inches nominal
Temp Rating
-40.0 fahrenheit and 275.0 fahrenheit single response
Outside Diameter
0.734 inches nominal
Connection Style
swivel nut flare 1st end
End Connection Design
straight 1st end
Connection Type
threaded internal tube 1st end
Burst Test Pressure
8000.0 pounds per square inch
Layer Composition And Location
2nd layer braided corrosion resistant steel wire and 1st layer braided cotton cord and outer layer rubber impregnated cotton fabric
Maximum Operating Pressure
2000.0 pounds per square inch
Nominal Thread Size
0.750 inches 1st end
Seat Angle
37.0 degrees 1st end
Hydrostatic Test Pressure
4000.0 pounds per square inch
Outer Covering Environmental Protection
mildew resistant and oil resistant
Inside Surface Condition
smooth
Measuring Method And Length
17.500 inches nominal working
Media For Which Designed
air and fuel/oil, hydrocarbon single response
Thread Series Designator
unf 1st end
Specification/Standard Data
96906-ms28741 government standard

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
AN6271-8-18 1-2 Nonmetallic Hose Assembly
MS28741-8-0184 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-542-4953?
The FSCG of the NSN 4720-00-542-4953 is 4720
Does the NSN 4720-00-542-4953 have a Schedule B code assigned?
Yes, the Schedule B code is 4009420050
Does NSN 4720-00-542-4953 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 4720-00-542-4953 contain precious materials?
Precious metal content is unknown
Does NSN 4720-00-542-4953 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 4720-00-542-4953 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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