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4820-01-031-9251

Valve Disk Retainer

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Official Item Classification

Name
Valve Disk Retainer
(NSN) National Stock Number
4820-01-031-9251
(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
12/04/1976 (49 years ago)

4.400 inches nominal outside diameter, steel corrosion resisting material, 1.625-12 un rh internally threaded for valve stem; predrilled disk hole special features, 3.368 inches nominal overall length

Specs & Compatibility

Outside Diameter

4.400 inches nominal

Overall Length

3.368 inches nominal

Special Features

1.625-12 un rh internally threaded for valve stem; predrilled disk hole

Material

steel corrosion resisting

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

Related Hardware Products

Part Number Description
87255AND36475 Valve Disk Retainer
A53640PC9AND10 Valve Disk Retainer
SA87255 Valve Disk Retainer

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-031-9251?
The FSCG of the NSN 4820-01-031-9251 is 4820
Does the NSN 4820-01-031-9251 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-031-9251 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 4820-01-031-9251 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-031-9251 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 4820-01-031-9251 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sat, Dec 4, 1976