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4820-01-237-6473

Special Actuator Valve Diaphragm

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Official Item Classification

Name
Special Actuator Valve Diaphragm
(NSN) National Stock Number
4820-01-237-6473
(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
08/03/1986 (40 years ago)

1.260 inches minimum and 1.280 inches maximum overall height, 3.250 inches nominal bolt circle diameter, 0.220 inches minimum and 0.240 inches maximum hole diameter, 0.012 inches minimum and 0.022 inches maximum material thickness, 3.250 inches minimum and 3.270 inches maximum outside diameter

Specs & Compatibility

Hole Diameter

0.220 inches minimum and 0.240 inches maximum

Outside Diameter

3.250 inches minimum and 3.270 inches maximum

Bolt Circle Diameter

3.250 inches nominal

Overall Height

1.260 inches minimum and 1.280 inches maximum

Material Thickness

0.012 inches minimum and 0.022 inches maximum

Taper Minor Diameter

2.298 inches nominal

Taper Major Diameter

2.765 inches minimum and 2.790 inches maximum

Center Hole Diameter

0.210 inches minimum and 0.230 inches maximum

Bolt Hole Quantity

8

Temp Rating

400.0 fahrenheit nominal

Pressure Rating

30.0 pounds per square inch nominal

Special Features

additional material: cloth

Material

rubber

Media For Which Designed

air

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
3163370 Special Actuator Valve Diaphragm
3163370-6 Special Actuator Valve Diaphragm

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-237-6473?
The FSCG of the NSN 4820-01-237-6473 is 4820
Does the NSN 4820-01-237-6473 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-237-6473 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 4820-01-237-6473 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-237-6473 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 4820-01-237-6473 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Sun, Aug 3, 1986