4820-01-688-1777

Find complete technical information, availability, and procurement data for: 4820-01-688-1777
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-688-1777

Item Name Code

05488

Assigment Date

05/06/2020 (6 years ago)

An item specifically designed to be placed around that portion of a connector,receptable,electrical or connector,plug,electrical which contains the facilities for attaching wires or cables. It may be designed to provide the nesessary accomodations between an electrical cable clamping device and an electrical connector shell or it may include the clamping device. It may be used for shielding against electrical interference, mechanical injury or physical damage due to environmental conditions.

air valve operation method, threaded external pipe all ends connection type, 3.89 inches all ends nominal length, 148.0 celsius single response maximum operating temp, -40.0 celsius minimum operating temp

Product Characteristics

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

Maximum Operating Temp: 148.0 celsius single response
Minimum Operating Temp: -40.0 celsius
Nominal Length: 3.89 inches all ends
Valve Operation Method: air
Connection Type: threaded external pipe all ends
Valve Size: 0.5 inches
Maximum Operating Pressure: 225.0 pounds per square inch gage single response
Part Name Assigned By Controlling Agency: proportional relief valve
Material: steel body
Material: steel seat
Material: steel stem
Media For Which Designed: air single response
Style Designator: angle

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
SS-RL3M4-F4-SET 3 BAR	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-688-1777?

The FSCG of the NSN 4820-01-688-1777 is 4820

Does the NSN 4820-01-688-1777 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-688-1777 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 4820-01-688-1777 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-688-1777 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 4820-01-688-1777 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Wed, May 6, 2020