4820-01-440-3257

Find complete technical information, availability, and procurement data for: 4820-01-440-3257
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-3257

Item Name Code

77777

Assigment Date

01/10/1997 (29 years ago)

A motor which is designed for operation from an alternating current source. See also motor, control.

end item is backflow preventer, model 40-205-a2;kit includes d-2505 r.v. diaphragm 1; d-2504 r.v. seat disc 1; d-2503 check seat disc 2; d-2502 stem o-ring 1; d-2501 bushing o-ring 1; d-2500 check cap o-ring 2 special features, mars class afs end item identification

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: mars class afs
Special Features: end item is backflow preventer, model 40-205-a2;kit includes d-2505 r.v. diaphragm 1; d-2504 r.v. seat disc 1; d-2503 check seat disc 2; d-2502 stem o-ring 1; d-2501 bushing o-ring 1; d-2500 check cap o-ring 2

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
40-004-04	Rubber Repair Kit

FAQs

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

What is the FSCG of the NSN 4820-01-440-3257?

The FSCG of the NSN 4820-01-440-3257 is 4820

Does NSN 4820-01-440-3257 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 4820-01-440-3257 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-3257 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 4820-01-440-3257 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Jan 10, 1997