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18900-140-14 Temperature Regulating Valve

4820-00-843-1883

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Official Item Classification

Name
Temperature Regulating Valve
Part Number
18900-140-14
(NSN) National Stock Number
4820-00-843-1883
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05492
(FIIG) Federal Item Identification Guide
A21100
Date
01/01/1962 (64 years ago)

plain face flange first end connection type, 2.612 inches nominal first end flange length, rectangular (includes square) w/ bolt holes first end flange shape style, straight thru body style, plain first end style designator

Specs & Compatibility

Body Style

straight thru

First End Connection Type

plain face flange

First End Style Designator

plain

First End Flange Shape Style

rectangular (includes square) w/ bolt holes

First End Flange Length

2.612 inches nominal

First End Flange Width

2.612 inches nominal

First End Bolt Hole Quantity

4

First End Bolt Hole Diameter

0.312 inches nominal

Second End Relationship With First End

identical

Third End Relationship With Preceding Ends

identical with first end

Fourth End Relationship With Preceding Ends

identical with first end

End Connection Quantity

4

Mounting Facility

flange

Bulb Length

3.184 inches nominal

Bulb Diameter

1.622 inches nominal

Temp Adjustability

not adjustable

Thermostatic Element

liquid immersion type

First End Center To Center Distance Between Holes Along Length

2.010 inches nominal

First End Center To Center Distance Between Holes Along Width

2.010 inches nominal

Temp Rating

140.0 fahrenheit nominal

Material

aluminum alloy seat

Material

aluminum alloy body

Material

steel corrosion resisting bulb

Fsc Application Data

cooler assy,engine oil,acft

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.

Source of Supply Code

FHZ

Pseudo Item Name Code

0005492

Related Hardware Products

Part Number Description
18900-140-00 Temperature Regulating Valve
18900-140-14 Temperature Regulating Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-843-1883?
The FSCG of the NSN 4820-00-843-1883 is 4820
Does the NSN 4820-00-843-1883 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809015
Does NSN 4820-00-843-1883 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 4820-00-843-1883 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-843-1883 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 4820-00-843-1883 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962