3101-78-ST

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3101-78-ST
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5325 Fastening Devices
National Stock Number
5325-00-912-5818
Item Name Code
07623
Assigment Date
01/01/1960 (66 years ago)

A self sensored actuating regulator designed to automatically regulate the flow of liquid or steam through a valve to maintain a predetermined temperature. Designed to close or open a valve when a change in temperature is detected to avoid overheating of controlled unit. Valve body not included. See also regulator (1), temperature and pressure.

0.722 inches nominal inside diameter, 0.042 inches nominal major thickness, rectangular cross-sectional shape style, not casehardened casehardening indicator, external bowed ring style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style
rectangular
Inside Diameter
0.722 inches nominal
Casehardening Indicator
not casehardened
Major Thickness
0.042 inches nominal
Ring Style
external bowed
Usage Design
external
Material Hardness Rating
66.0 rockwell superficial 30-n minimum and 71.0 rockwell superficial 30-n maximum
End Play Takeup
0.020 inches maximum
Material
steel
Material Document And Classification
fed std no. 66,aisi c1066 thru c1090 fed std single material response or sae 1070 thru 1090 assn std single material response
Surface Treatment
nickel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5365-00-434-7224 No Name Available 02/05/1971
5340-00-880-5250 No Name Available 04/29/1968

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
1200119 Retaining Ring
2223601 Retaining Ring
232-0030-00 Retaining Ring
232-30 Retaining Ring
3101-78 Retaining Ring
3101-78-ST Retaining Ring
5101-78 Retaining Ring
MS16628-78 Retaining Ring
N1401-78AS Retaining Ring
N1401-78CD Retaining Ring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5325-00-912-5818?
The FSCG of the NSN 5325-00-912-5818 is 5325
Does the NSN 5325-00-912-5818 have a Schedule B code assigned?
Yes, the Schedule B code is 9606100000
Does NSN 5325-00-912-5818 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 5325-00-912-5818 contain precious materials?
Item does not contain precious metal.
Does NSN 5325-00-912-5818 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 5325-00-912-5818 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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