4820-01-258-3956

Find complete technical information, availability, and procurement data for: 4820-01-258-3956
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-258-3956

Item Name Code

05485

Assigment Date

07/02/1987 (39 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

zzzy criticality code justification, disk flow control device, manual valve operation method, steel corrosion resisting stem material, 0.250 inches all ends nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches all ends
Flow Control Device: disk
Valve Operation Method: manual
Criticality Code Justification: zzzy
Material: steel corrosion resisting stem
Style Designator: straight thru
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
1970-002-14-4114	Globe Valve
1970-002-14-4114CP	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-258-3956?

The FSCG of the NSN 4820-01-258-3956 is 4820

Does NSN 4820-01-258-3956 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 4820-01-258-3956 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-258-3956 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 4820-01-258-3956 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jul 2, 1987