86C

View detailed technical data, stock status, and sourcing information for: 86C
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 86C to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-068-5900

Item Name Code

05488

Assigment Date

07/07/1967 (59 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

spring disk loading method, 277.0 cubic feet per minute valve discharge flow rate, right-hand 1st end thread direction, 400.0 fahrenheit single response maximum operating temp, poppet 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 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 277.0 cubic feet per minute
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Thread Size: 1.000 inches 1st end
Opening Pressure Setting: 6.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd response
Style Designator: straight thru
Thread Series Designator: npt 1st end
Reference Number Differentiating Characteristics: as differentiated by size

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
86C	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-068-5900?

The FSCG of the NSN 4820-00-068-5900 is 4820

Does the NSN 4820-00-068-5900 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-068-5900 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 4820-00-068-5900 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-068-5900 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 4820-00-068-5900 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jul 7, 1967