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4820-01-728-1977

Find complete technical information, availability, and procurement data for: 4820-01-728-1977

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4820-01-728-1977
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-728-1977
Item Name Code
05487
Assigment Date
04/04/2025 (1 year ago)

A portable case which may include clamps, spring clips, brackets or the like, to secure the instrument, accessories and/or components. It may include padding to protect the instrument against shock and vibration. Excludes:case (2), surveying instrument.

right-hand all ends thread direction, 2.060 inches all ends nominal length, 1.380 inches all ends nominal width, threaded internal pipe all ends connection type, disk flow control device

Product Characteristics

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

Thread Direction
right-hand all ends
Flow Control Device
disk
Nominal Width
1.380 inches all ends
Nominal Length
2.060 inches all ends
Connection Type
threaded internal pipe all ends
Valve Size
0.500 inches
Part Name Assigned By Controlling Agency
silent check valve
Special Features
body seat and disc material:bronze astm b-584,alloy;screw material:lead free bronze;spring material:stainless steel t316,astm a313;washer material:polytetrafluoroethylene;size range:0.500-2.000 inches;cold working pressure:250 pounds per square inch gauge
Material
copper alloy body
Material
plastic polytetrafluoroethylene seat
Material Document And Classification
astm b-584 national std single material response body
Media For Which Designed
water, fresh single response
Thread Series Designator
npt all ends

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
1400.5THRVC.1 Check Valve
PAGES 57-63 Check Valve
VMC-1400THR.1 Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-728-1977?
The FSCG of the NSN 4820-01-728-1977 is 4820
Does NSN 4820-01-728-1977 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 4820-01-728-1977 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-728-1977 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 4820-01-728-1977 was assigned to the Federal Catalog?
It was assigned 1 year ago, on Fri, Apr 4, 2025

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