285268AS

View detailed technical data, stock status, and sourcing information for: 285268AS
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-805-6253

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

poppet flow control device, 3a 1st end thread class, plain (tube) all ends connection style, right-hand 1st end thread direction, automatic valve operation method

Product Characteristics

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

Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 40.0 pounds per square inch
Material: steel overall
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-678-6091	No Name Available	08/15/1966

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
285268AS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-805-6253?

The FSCG of the NSN 4820-00-805-6253 is 4820

Does the NSN 4820-00-805-6253 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-805-6253 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 4820-00-805-6253 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-805-6253 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 4820-00-805-6253 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962