C1939

View detailed technical data, stock status, and sourcing information for: C1939
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-177-1742

Item Name Code

35224

Assigment Date

02/26/1973 (53 years ago)

An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.

plastic polyamide (nylon) material, 0.625 inches nominal outside diameter, gasoline media for which designed, 0.171 inches nominal inside diameter, 0.125 inches nominal overall height

Product Characteristics

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

Inside Diameter: 0.171 inches nominal
Outside Diameter: 0.625 inches nominal
Overall Height: 0.125 inches nominal
Material: plastic polyamide (nylon)
Media For Which Designed: gasoline
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-476-6522	No Name Available	02/01/1994
4930-00-522-2240	No Name Available	01/01/1992

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
30856	Valve Disk
30856K	Valve Disk
C1939	Valve Disk
C3160	Valve Disk
C3160D	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-177-1742?

The FSCG of the NSN 4820-00-177-1742 is 4820

Does the NSN 4820-00-177-1742 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-177-1742 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 4820-00-177-1742 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-177-1742 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 4820-00-177-1742 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Mon, Feb 26, 1973