4B-21

View detailed technical data, stock status, and sourcing information for: 4B-21
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-426-7695

Item Name Code

30475

Assigment Date

03/18/1996 (30 years ago)

1 prime mover quantity, 2 intake connection quantity, 1 cylinder quantity, 2 discharge connection quantity, threaded internal intake connection type

Product Characteristics

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

Prime Mover Quantity: 1
Cylinder Quantity: 1
Intake Connection Quantity: 2
Intake Connection Type: threaded internal
Discharge Connection Quantity: 2
Discharge Connection Type: threaded internal
Media For Which Designed: hydrocarbon fuels and oils or water, fresh
Power Drive Operating Pressure: 100.0 pounds per square inch gage
Pump Quantity: 1
Pumping Element Type: piston
End Item Identification: engine,aircraft,f100-pw-100(f-15a/b/c/d)
Maximum Discharge Flow Rate: 1.3 gallons per minute
Discharge Pressure: 750.0 pounds per square inch gage
Total Head: 1730.250 feet
Pumping Element Operating Position: vertical
Pump Reciprocating Design: single acting
Reciprocating Stroke Type: fixed
Operation Relationship Design: simultaneous
Prime Mover Type: pneumatic motor
Discharge Connection Thread Size And Series/Type Designator: 0.500-14 npt
Intake Connection Thread Size And Series/Type Designator: 0.500-14 npt and 0.750-14 npt
Prime Mover Power Rating: 0.75 horsepower
Special Features: used on 4920-01-388-4387 test stand,electrical,hydraulic; 1/2npt inlet/outlet air connections; 1/2-3/4npt liquid outlet/inlet connections; exhaust muffler on air outlet port

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
4B-21	Reciprocating Pump Unit
4B-21-D	Reciprocating Pump Unit

FAQs

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

What is the FSCG of the NSN 4320-01-426-7695?

The FSCG of the NSN 4320-01-426-7695 is 4320

Does the NSN 4320-01-426-7695 have a Schedule B code assigned?

Yes, the Schedule B code is 8413500090

Does NSN 4320-01-426-7695 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 4320-01-426-7695 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-426-7695 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 4320-01-426-7695 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Mar 18, 1996