4820-01-524-9685

Find complete technical information, availability, and procurement data for: 4820-01-524-9685
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-524-9685

Item Name Code

05487

Assigment Date

10/22/2004 (21 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

bolted bonnet attachment method, outside screw-yoke bonnet type, 435.0 fahrenheit single response maximum operating temp, weight disk loading method, 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.

Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Disk Loading Method: weight
Maximum Operating Temp: 435.0 fahrenheit single response
Minimum Operating Temp: -65.0 fahrenheit
End Item Identification: u/o c17a acft
Valve Operation Method: automatic
Flange Shape: round all ends
Connection Type: flange all ends
Maximum Operating Pressure: 80.0 pounds per square inch single response
Nominal Outside Diameter: 3.853 inches all ends
Nominal Thickness: 0.500 inches all ends
Flange Face Design: plain all ends
Part Name Assigned By Controlling Agency: manufacturers suggested name valve instl, check-bleed air
Special Features: max flow rate 80 lb min; proof pressure 160 psig @435 deg feh; burst pressure 320 psig @ 435 deg feh; temperature range -65 to 240 def feh; pressure drop 0.3 psid @ max flow, temp, pressure; weight 1.60 lbs max; max unchecked inlet pressure 0 max temp, 80 psig @ 435 deg feh
Material: steel corrosion resisting overall
Media For Which Designed: air single response
Style Designator: straight thru

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
1003816-1	Check Valve
17B2N9019-1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-524-9685?

The FSCG of the NSN 4820-01-524-9685 is 4820

Does the NSN 4820-01-524-9685 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-524-9685 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-524-9685 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-524-9685 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 4820-01-524-9685 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Fri, Oct 22, 2004