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4820-01-239-0330

Valve Disk Retainer

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Official Item Classification

Name
Valve Disk Retainer
(NSN) National Stock Number
4820-01-239-0330
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
35917
(FIIG) Federal Item Identification Guide
A512E0
Date
08/24/1986 (40 years ago)

0.860 inches nominal overall length, 7.750 inches nominal outside diameter, 7.281 inches nominal inside diameter, nickel alloy material, qq-n-288 fed spec single material response material document and classification

Specs & Compatibility

Inside Diameter

7.281 inches nominal

Outside Diameter

7.750 inches nominal

Overall Length

0.860 inches nominal

Material

nickel alloy

Material Document And Classification

qq-n-288 fed spec single material response

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

0035917

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845-2050919 Valve Disk Retainer
845-2050919 PIECE 9 TITM Valve Disk Retainer

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-239-0330?
The FSCG of the NSN 4820-01-239-0330 is 4820
Does the NSN 4820-01-239-0330 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-239-0330 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 4820-01-239-0330 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-239-0330 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 4820-01-239-0330 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Sun, Aug 24, 1986