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4CMP4 Valve Disk

4820-00-459-2770

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Official Item Classification

Name
Valve Disk
Part Number
4CMP4
(NSN) National Stock Number
4820-00-459-2770
(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
08/12/1970 (56 years ago)

0.547 inches minimum flange diameter, 0.407 inches nominal shank diameter, steel comp 440c material, no. 29 (0.136 in. dia ) drill thru eight places (45 deg apart) on 0.430 in. dia circle,break edges 0.005 in. special features, 0.585 inches nominal overall height

Specs & Compatibility

Shank Diameter

0.407 inches nominal

Flange Diameter

0.547 inches minimum

Overall Height

0.585 inches nominal

Special Features

no. 29 (0.136 in. dia ) drill thru eight places (45 deg apart) on 0.430 in. dia circle,break edges 0.005 in.

Material

steel comp 440c

Material Document And Classification

qq-s-763, class 440c, cond a fed spec single material response

Style Designator

poppet

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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.

Source of Supply Code

SMS

Pseudo Item Name Code

0035224

Related Hardware Products

Part Number Description
4CMP4 Valve Disk

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-459-2770?
The FSCG of the NSN 4820-00-459-2770 is 4820
Does the NSN 4820-00-459-2770 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-459-2770 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 4820-00-459-2770 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-459-2770 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 4820-00-459-2770 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, Aug 12, 1970