D403-1

View detailed technical data, stock status, and sourcing information for: D403-1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-117-3786

Item Name Code

27850

Assigment Date

08/13/1981 (45 years ago)

2.000 inches disk size, thickness:thickness:0.016 in.nom special features, nickel alloy disk material, 460.0 pressure pounds per square inch gage burst pressure, concave cross-sectional shape

Product Characteristics

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

Cross-Sectional Shape: concave
Burst Pressure: 460.0 pressure pounds per square inch gage
Disk Material: nickel alloy
Disk Size: 2.000 inches
Special Features: thickness:thickness:0.016 in.nom

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
A4374-1	Rupturable Disk
A4374-1 ITEM 6	Rupturable Disk
D403-1	Rupturable Disk

FAQs

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

What is the FSCG of the NSN 4820-01-117-3786?

The FSCG of the NSN 4820-01-117-3786 is 4820

Does the NSN 4820-01-117-3786 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-117-3786 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 4820-01-117-3786 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-117-3786 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 4820-01-117-3786 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Thu, Aug 13, 1981