25-5929

View detailed technical data, stock status, and sourcing information for: 25-5929
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-731-6579

Item Name Code

77777

Assigment Date

01/01/1963 (63 years ago)

piston data,9 pistons,steel body with brass head,0.640 in. od body,body is recessed 0.410 in. dia,1.830 in. dp,3.015 in. o/a lg piston; retainer data,steel,3.625 in. dia,0.165 in. thk,0.665 in. dia bore w/keyway 0.155 in. w,0.135 in. dp bore general characteristics item description

Product Characteristics

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

General Characteristics Item Description: piston data,9 pistons,steel body with brass head,0.640 in. od body,body is recessed 0.410 in. dia,1.830 in. dp,3.015 in. o/a lg piston; retainer data,steel,3.625 in. dia,0.165 in. thk,0.665 in. dia bore w/keyway 0.155 in. w,0.135 in. dp bore

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4320-00-493-3571	No Name Available	01/01/1981

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
25-5929	Pu Pistons and Retainer Assembly
S15-02540	Pu Pistons and Retainer Assembly
S15-02540Z	Pu Pistons and Retainer Assembly

FAQs

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

What is the FSCG of the NSN 4320-00-731-6579?

The FSCG of the NSN 4320-00-731-6579 is 4320

Does NSN 4320-00-731-6579 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 4320-00-731-6579 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-731-6579 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 4320-00-731-6579 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963