N1401-78AS

View detailed technical data, stock status, and sourcing information for: N1401-78AS
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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.

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

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Below is a list of NSNs that have been officially superseded by this NSN: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