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4820-01-178-9954

Valve Disk

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Official Item Classification

Name
Valve Disk
(NSN) National Stock Number
4820-01-178-9954
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
35224
(FIIG) Federal Item Identification Guide
A539Y0
Date
05/12/1984 (42 years ago)

775.0 fahrenheit minimum and 975.0 fahrenheit maximum temp rating, 600.0 pounds per square inch minimum and 1500.0 pounds per square inch maximum pressure rating, 0.515 inches nominal outside diameter, 0.062 inches nominal shoulder height, 0.594 inches nominal overall height

Specs & Compatibility

Outside Diameter

0.515 inches nominal

Overall Height

0.594 inches nominal

Shoulder Height

0.062 inches nominal

Temp Rating

775.0 fahrenheit minimum and 975.0 fahrenheit maximum

Pressure Rating

600.0 pounds per square inch minimum and 1500.0 pounds per square inch maximum

Seat Angle

55.0 degrees nominal

Material

steel

Media For Which Designed

water

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0035224

Related Hardware Products

Part Number Description
807-1700 PIECE 8 1/2IN Valve Disk
807-1700-8- Valve Disk
807-1700-8-1/2IN Valve Disk

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-178-9954?
The FSCG of the NSN 4820-01-178-9954 is 4820
Does the NSN 4820-01-178-9954 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-178-9954 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 4820-01-178-9954 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-178-9954 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 4820-01-178-9954 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Sat, May 12, 1984