42-3

View detailed technical data, stock status, and sourcing information for: 42-3

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42-3
Federal Supply Group
Pumps and Compressors
Federal Supply Classification
4320 Power and Hand Pumps
National Stock Number
4320-00-918-8709
Item Name Code
10089
Assigment Date
01/01/1960 (66 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

0.218 inches nominal hub length, 6 blade quantity, right-hand thread direction, 1.000 inches nominal overall width, 4.000 inches nominal overall diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction
right-hand
Overall Width
1.000 inches nominal
Overall Diameter
4.000 inches nominal
Blade Quantity
6
Hub Length
0.218 inches nominal
Screw Thread Series Designator
unc
Blade Type
forward curve
Design Type
single width
Thread Diameter
0.375 inches nominal
Mounting Method
thread
Rotation Direction For Which Designed
clockwise
Thread Quantity
20 per inch
Hub Bore Diameter
0.406 inches nominal
Hub Location
center of blades
Hub Quantity
1
Hub Projection Length Beyond Wheel Side
0.015 inches nominal
Material
iron cast

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
42-3 Centrifugal Pump Impeller

FAQs

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

What is the FSCG of the NSN 4320-00-918-8709?
The FSCG of the NSN 4320-00-918-8709 is 4320
Does the NSN 4320-00-918-8709 have a Schedule B code assigned?
Yes, the Schedule B code is 8413919520
Does NSN 4320-00-918-8709 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 4320-00-918-8709 contain precious materials?
Item does not contain precious metal.
Does NSN 4320-00-918-8709 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 4320-00-918-8709 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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