R-657

View detailed technical data, stock status, and sourcing information for: R-657
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-185-6753

Item Name Code

61763

Assigment Date

08/01/1984 (41 years ago)

An item which serves the dual purpose of closing the housing of a hydraulic pump or motor and of providing external port connection(s). It has no internal ports. For heads with integral valve plates, see valve head, hydraulic motor-pump.

pump,warren pumps inc,model 1-1/2-2cv-6 end item identification, 3.250 inches connection size, flange connection type, iron cast material, wt,1.250 lbs;3 0.562 in. drilled holes on a 2.125 in. bcd special features

Product Characteristics

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

End Item Identification: pump,warren pumps inc,model 1-1/2-2cv-6
Connection Type: flange
Connection Size: 3.250 inches
Special Features: wt,1.250 lbs;3 0.562 in. drilled holes on a 2.125 in. bcd
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
N16273	Pump Fluid Connector
R-657	Pump Fluid Connector
R-657 PIECE 4	Pump Fluid Connector
R-669 PC.36	Pump Fluid Connector

FAQs

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

What is the FSCG of the NSN 4320-01-185-6753?

The FSCG of the NSN 4320-01-185-6753 is 4320

Does the NSN 4320-01-185-6753 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-185-6753 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 4320-01-185-6753 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-185-6753 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 4320-01-185-6753 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Aug 1, 1984