4820-01-728-0705

Find complete technical information, availability, and procurement data for: 4820-01-728-0705
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-728-0705

Item Name Code

05487

Assigment Date

03/31/2025 (1 year ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

threaded external pipe 1st end connection type, threaded internal pipe 2nd end connection type, right-hand all ends thread direction, plain, optional end (pipe) 2nd end connection style, plain (pipe) 1st end connection style

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
Connection Style: plain (pipe) 1st end
Connection Style: plain, optional end (pipe) 2nd end
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 7000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Part Name Assigned By Controlling Agency: priority valve,flush,7000 psi
Material: steel corrosion resisting seat
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
VL-530141-TG	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-728-0705?

The FSCG of the NSN 4820-01-728-0705 is 4820

Does the NSN 4820-01-728-0705 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-728-0705 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 4820-01-728-0705 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-728-0705 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 4820-01-728-0705 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Mon, Mar 31, 2025