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4820-01-329-4745

Special Actuator Valve Diaphragm

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Official Item Classification

Name
Special Actuator Valve Diaphragm
(NSN) National Stock Number
4820-01-329-4745
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
40088
(FIIG) Federal Item Identification Guide
A540B0
Date
11/16/1990 (35 years ago)

3.740 inches nominal bolt circle diameter, 3.800 inches nominal outside diameter, 1.780 inches nominal overall height, 0.030 inches nominal material thickness, 0.195 inches nominal hole diameter

Specs & Compatibility

Hole Diameter

0.195 inches nominal

Outside Diameter

3.800 inches nominal

Bolt Circle Diameter

3.740 inches nominal

Overall Height

1.780 inches nominal

Material Thickness

0.030 inches nominal

Taper Major Diameter

2.690 inches nominal

Center Hole Diameter

1.330 inches nominal

Bolt Hole Quantity

10

Material

rubber and plastic polyamide (nylon)

Style Designator

special shaped

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

0040088

Related Hardware Products

Part Number Description
793535 Special Actuator Valve Diaphragm
793535-1 Special Actuator Valve Diaphragm

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-329-4745?
The FSCG of the NSN 4820-01-329-4745 is 4820
Does the NSN 4820-01-329-4745 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-329-4745 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 4820-01-329-4745 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-329-4745 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 4820-01-329-4745 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Fri, Nov 16, 1990