A3871

Explore detailed information about the aircraft instrument catalogued with NSN: 6685-00-753-1600 – Flow Control Thermostat.

Official Classification

Part Number
A3871
(NSN) National Stock Number
6685-00-753-1600
(FSG) Federal Supply Group
66 Instruments and Laboratory Equipment
(FSC) Federal Supply Classification
6685 Humidity Measuring and Controlling Instruments, Temperature and Pressure
(INC) Item Name Code
16516
(FIIG) Federal Item Identification Guide
T121-C
Date
01/01/1962 (64 years ago)

flange mounting method, by-pass flow control device, 170.0 fahrenheit minimum and 175.0 fahrenheit maximum opening temp rating, 2.125 inches nominal largest outside diameter, 1.851 inches minimum and 1.868 inches maximum overall height

Technical Specifications

Flow Control Device

by-pass

Largest Outside Diameter

2.125 inches nominal

Overall Height

1.851 inches minimum and 1.868 inches maximum

Mounting Method

flange

Opening Temp Rating

170.0 fahrenheit minimum and 175.0 fahrenheit maximum

Operating Temp Rating

190.0 fahrenheit minimum and 195.0 fahrenheit maximum

Spring Operated Pressure Relief

not provided

Thermostat Type

bellows

Usage Design

regulate temperature of engine heater

Valve Travel Distance

0.219 inches nominal

Regulatory & Material Information

Demilitarization Code
A

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.

ITAR Registered
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
P

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

Source of Supply Code

S9G

Pseudo Item Name Code

0016516

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Related Aerospace Instruments

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3122285 Flow Control Thermostat
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Frequently Asked Questions

What is the FSCG of the NSN 6685-00-753-1600?
The FSCG of the NSN 6685-00-753-1600 is 6685
Does NSN 6685-00-753-1600 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 6685-00-753-1600 contain precious materials?
Precious metal content is unknown
Does NSN 6685-00-753-1600 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 6685-00-753-1600 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962