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4820-00-421-5789

Valve Disk Assembly

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Official Item Classification

Name
Valve Disk Assembly
(NSN) National Stock Number
4820-00-421-5789
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
77777
(FIIG) Federal Item Identification Guide
A23900
Date
02/05/1972 (54 years ago)

material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications. reference number differentiating characteristics, zzzy criticality code justification

Specs & Compatibility

Criticality Code Justification

zzzy

Reference Number Differentiating Characteristics

material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

Replacement For

Part Number Description
4820-00-956-7893 No Name Available 11/01/1976

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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

1190690

Related Hardware Products

Part Number Description
20174REVAPC6 Valve Disk Assembly
A7915.003 Valve Disk Assembly
A7915.003/20174 Valve Disk Assembly

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-421-5789?
The FSCG of the NSN 4820-00-421-5789 is 4820
Does the NSN 4820-00-421-5789 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-421-5789 require demilitarization?
Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).
Does NSN 4820-00-421-5789 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-421-5789 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 4820-00-421-5789 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sat, Feb 5, 1972