877188

View detailed technical data, stock status, and sourcing information for: 877188
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 877188 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

4820-01-005-0613

Item Name Code

10958

Assigment Date

06/19/1975 (51 years ago)

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

1.5 pounds per square inch maximum operating pressure, threaded external boss first end connection type, air media for which designed, manual unloader on vacuum side and nut and gasket and washer furnished items, single connection, straight flow body style

Product Characteristics

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

Maximum Operating Pressure: 1.5 pounds per square inch
Body Style: single connection, straight flow
Furnished Items: manual unloader on vacuum side and nut and gasket and washer
Media For Which Designed: air
First End Connection Type: threaded external boss
First End Style Designator: external seat for gasket seal
First End Thread Class: 2a
First End Thread Direction: right-hand
Flow Control Device: disk, flat
End Connection Quantity: 1
Opening Pressure Setting: 0.5 pounds per square inch
Valve Venting Design Type: atmospheric
Valve Relief Design Type: vacuum
Material: aluminum alloy and plastic tetrafluoroethylene seat
Material: aluminum alloy body
Surface Treatment: anodize outside

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-177-0961	No Name Available	02/01/1989

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
877188	Gaseou Pressure Equalizing Valve
TA750-VR-05	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-005-0613?

The FSCG of the NSN 4820-01-005-0613 is 4820

Does the NSN 4820-01-005-0613 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-005-0613 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 4820-01-005-0613 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-005-0613 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 4820-01-005-0613 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Thu, Jun 19, 1975