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4820-01-115-3979

Valve Disk

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Official Item Classification

Name
Valve Disk
(NSN) National Stock Number
4820-01-115-3979
(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
07/04/1981 (45 years ago)

0.650 inches nominal shoulder width, 1.277 inches nominal overall height, 0.160 inches nominal shoulder height, 2a thread class, 14 thread quantity per inch

Specs & Compatibility

Thread Class

2a

Overall Height

1.277 inches nominal

Shoulder Height

0.160 inches nominal

Shoulder Width

0.650 inches nominal

Thread Quantity Per Inch

14

Nominal Thread Size

1.000 inches

Seat Angle

75.0 degrees nominal

Material

steel

Style Designator

plug

Thread Series Designator

uns

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-01-115-3979?
The FSCG of the NSN 4820-01-115-3979 is 4820
Does the NSN 4820-01-115-3979 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-115-3979 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 4820-01-115-3979 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-115-3979 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 4820-01-115-3979 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Sat, Jul 4, 1981