71521

View detailed technical data, stock status, and sourcing information for: 71521
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-917-4492

Item Name Code

30409

Assigment Date

07/22/1966 (60 years ago)

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus of minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, and the like, shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes:resistor (1), variable, nonwire wound; nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

threaded internal intake connection type, hydrocarbon fuels and oils media for which designed, threaded internal discharge connection type, 1 intake connection quantity, 1 discharge connection quantity

Product Characteristics

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

Intake Connection Quantity: 1
Intake Connection Type: threaded internal
Discharge Connection Quantity: 1
Discharge Connection Type: threaded internal
Media For Which Designed: hydrocarbon fuels and oils
Discharge Pressure: 3000.0 pounds per square inch gage
Pumping Element Operating Position: horizontal
Operation Method: manual
Discharge Connection Thread Size And Series/Type Designator: 0.438-20 unjf
Intake Connection Thread Size And Series/Type Designator: 0.750-16 unjf

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
71521	Reciprocating Pump

FAQs

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

What is the FSCG of the NSN 4320-00-917-4492?

The FSCG of the NSN 4320-00-917-4492 is 4320

Does the NSN 4320-00-917-4492 have a Schedule B code assigned?

Yes, the Schedule B code is 8413500090

Does NSN 4320-00-917-4492 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4320-00-917-4492 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-00-917-4492 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 4320-00-917-4492 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Jul 22, 1966